Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
hanh tranh » canh tranh, hanh trinh, hanh trang
tranh cua » doanh cua, manh cua
hang cong » dang cong, hang nong, bang cong
theo chu » theo chieu, cho chu, chao chu
tac than » tac thanh, tam than, tac nhan
than cau » toan cau, phan cau, than cap
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) or (theo chu)) xanh - hanh tranh cua ((hang cong) or (thong cong)) tac than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chi) OR (theo chu)) xanh - hanh tranh cua ((hang cong) OR (thong cong)) tac than cau.
• Adding a wildcard symbol may retrieve word variants: ((doi chi) or (theo chu)) xanh - hanh tranh cua ((hang cong) or (thong cong)) tac than cau*.