Perhaps you should try some spelling variations:
"chile science colombia." » "chile violence colombia.", "chile science economic.", "clil science colombia.", "soil science colombia.", "soils science colombia."
"chile tiene colombia." » "chile cine colombia.", "chile tenue colombia.", "chile hygiene colombia."
"chile care colombia." » "chile state colombia.", "chile trade colombia.", "chile entre colombia.", "child care colombia.", "chile case colombia.", "chile carmen colombia."

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("chile care colombia.") or ((("chile science colombia.") OR ("chile tiene colombia."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("chile care colombia.") OR ((("chile science colombia.") OR ("chile tiene colombia.")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"chile care colombia.\") or (((\"chile science colombia.\") OR (\"chile tiene colombia.\"))))".
• Removing quotes may allow a broader search: (( chile care colombia. ) or ((( chile science colombia. ) OR ( chile tiene colombia. )))).
• Adding a wildcard symbol may retrieve word variants: (("chile care colombia.") or ((("chile science colombia.") OR ("chile tiene colombia."))))*.