Perhaps you should try some spelling variations:
"proceso contralos statistical methods." » "proceso control statistical methods.", "proceso contra statistical methods.", "proces contreles statistical methods.", "procesos contables statistical methods."
"proceso control estadistica methods." » "proceso control estadistico methods.", "proceso control statistical methods.", "proceso economia estadistica methods.", "proceso control estadisticas metodos.", "proceso control estadisticas medicas.", "process control estadistica methods.", "proceso contra estadistica methods.", "proces contre estadistica methods."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("proceso contralos statistical methods.") OR ("proceso control estadistica methods."))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"proceso contralos statistical methods.\") OR (\"proceso control estadistica methods.\"))*".
• Removing quotes may allow a broader search: (( proceso contralos statistical methods. ) OR ( proceso control estadistica methods. ))*.