Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
chua nang » chuc nang, chua xang, kha nang
tang luan » dung luan
cho chua » cho chu, cho cua, ho chua
tang cua » mang cua, hang cua, thong cua
tam toan » tap toan, pham toan, tam thanh
tam than » ban than

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

• Performing a fuzzy search may retrieve terms with similar spellings: cho chua nang - hanh ((tang cua) or (tang luan)) thong cong ((tam toan) OR (tam than)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: cho chua nang - hanh ((tang cua) OR (tang luan)) thong cong ((tam toan) OR (tam than)) cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "cho chua nang - hanh ((tang cua) or (tang luan)) thong cong ((tam toan) OR (tam than)) cao".
• Adding a wildcard symbol may retrieve word variants: cho chua nang - hanh ((tang cua) or (tang luan)) thong cong ((tam toan) OR (tam than)) cao*.