Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, nhung don
hanh tranh » canh tranh, hanh trinh, hanh trang
tranh cua » doanh cua, manh cua
hang cong » dang cong, hang nong, bang cong
chi danh » chi dan, chi anh, chi dinh
dan toan » van toan, dan than, manh toan
toan cao » toan ban, toan tap
doi chi » doi khi

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chi danh - hanh tranh cua ((nhung cong) or (hang cong)) dan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi danh - hanh tranh cua ((nhung cong) OR (hang cong)) dan toan cao.
• Adding a wildcard symbol may retrieve word variants: doi chi danh - hanh tranh cua ((nhung cong) or (hang cong)) dan toan cao*.