Perhaps you should try some spelling variations:
gender age » gender wage, under age, gender a
wang man » wang yan, wang ban, wang dan
kann 6.1 » kann 3.1, kann 3.3, kann 7.3
may june » may july, may run
may one » many one, day one
kann a » kann ja, kann man, kann das
saul » paul, saur, raul

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang man ((kann a) or (((kann 6) or (kann 6.1)))) gender age ((may one) OR (may june)) saul ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang man ((kann a) OR (((kann 6) OR (kann 6.1)))) gender age ((may one) OR (may june)) saul ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang man ((kann a) or (((kann 6) or (kann 6.1)))) gender age ((may one) OR (may june)) saul ;".
• Adding a wildcard symbol may retrieve word variants: wang man ((kann a) or (((kann 6) or (kann 6.1)))) gender age ((may one) OR (may june)) saul ;*.