Perhaps you should try some spelling variations:
transformations used » transformations und, transformations under, transformation based
transfer fair » transfer factor, transfer layer, transfer from
12 skills » 108 skills, a skills
2 skills » a skills
guias 3 » guias de
fair 4 » fair _, fair 5, fair 6

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( guias 3 _ transformations used car ) or ( guias ((2 skills) OR (12 skills)) transfer fair 4 ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( guias 3 _ transformations used car ) OR ( guias ((2 skills) OR (12 skills)) transfer fair 4 ))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( guias 3 _ transformations used car ) or ( guias ((2 skills) OR (12 skills)) transfer fair 4 ))*".