Perhaps you should try some spelling variations:
skills surveys » skills survey
point surveys » patient surveys, phone surveys
motor skills » labor skills
soil surveys » social surveys, school surveys, site surveys
math point » data point
math soil » data soil, each soil

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( motor skills surveys. ) or ((( math soil surveys. ) OR ( math point surveys. ))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( motor skills surveys. ) OR ((( math soil surveys. ) OR ( math point surveys. )))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( motor skills surveys. ) or ((( math soil surveys. ) OR ( math point surveys. ))))".
• Adding a wildcard symbol may retrieve word variants: (( motor skills surveys. ) or ((( math soil surveys. ) OR ( math point surveys. ))))*.