Perhaps you should try some spelling variations:
chua nang » chuc nang, chua xang, kha nang
tang luan » dung luan
thong nam » thong xay, dong nam, thong va
cho chua » cho chu, cho cua, ho chua
tang cua » mang cua, hang cua, thong cua
cong nam » dong nam, uong nam, trong nam
toan cao » toan ban, toan tap

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 nam) OR (thong nam)) toan 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 nam) OR (thong nam)) toan 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 nam) OR (thong nam)) toan cao".
• Adding a wildcard symbol may retrieve word variants: cho chua nang - hanh ((tang cua) or (tang luan)) thong ((cong nam) OR (thong nam)) toan cao*.