Perhaps you should try some spelling variations:
nhung cong » thong cong, hang cong, nhung don
tranh han » tranh hang, trinh han, tranh ban
dung cong » dung trong
chu tinh » chau tinh, chua tinh, cuu tinh
tan toan » tan tran, tap toan, van toan
toan cao » toan ban, toan tap
ho chu » hoi chu, cho chu, ho chua

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chu tinh - canh tranh han ((nhung cong) or (dung cong)) tan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chu tinh - canh tranh han ((nhung cong) OR (dung cong)) tan toan cao.
• Adding a wildcard symbol may retrieve word variants: ho chu tinh - canh tranh han ((nhung cong) or (dung cong)) tan toan cao*.