Perhaps you should try some spelling variations:
wang yang » wang yan, wang yanling
dong yang » dong hoang, yang yang, dan yang
yang thi » dang thi, yang chik, yang di
thi wong » thi hong, thi mong, t.j wong
wong yue » wang yue, hong yu
dong di » dong sin
a text » a test
y a » y la

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((((wang liang) OR (wang yang))) or (((dong yang) or (dong di)))) y a text yang thi wong yue ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((wang liang) OR (wang yang))) OR (((dong yang) OR (dong di)))) y a text yang thi wong yue ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((wang liang) OR (wang yang))) or (((dong yang) or (dong di)))) y a text yang thi wong yue ;".
• Adding a wildcard symbol may retrieve word variants: ((((wang liang) OR (wang yang))) or (((dong yang) or (dong di)))) y a text yang thi wong yue ;*.