Perhaps you should try some spelling variations:
skills series » skills surveys, skills survey
point surveys » patient surveys, phone surveys, point sources
motor skills » labor skills
small school » small schools
haiti school » high school, ii school, iii school
smart school » start school, small schools, art schools
math » match, path, mat

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 series. ) or ((( math point surveys. ) or ( ((((small school) or (haiti school))) or (smart school)) surveys. ))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( motor skills series. ) OR ((( math point surveys. ) OR ( ((((small school) OR (haiti school))) OR (smart school)) surveys. )))).
• Adding a wildcard symbol may retrieve word variants: (( motor skills series. ) or ((( math point surveys. ) or ( ((((small school) or (haiti school))) or (smart school)) surveys. ))))*.