Perhaps you should try some spelling variations:
tranh cua » doanh cua, manh cua
hang cong » dang cong, hang nong, bang cong
cua hang » cua dang, cua nhung, cua cong
cong dan » cong san, cong tan, huong dan
phan cau » phan dau, phan cac, phan tu
toan cau » toan cao, toan ban, toan tap
ho van » hoc van, vo van, so van
ho va » nho va, tho va, cho va

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho va) or (ho van)) tinh - canh tranh cua hang cong dan ((phan cau) or (toan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho va) OR (ho van)) tinh - canh tranh cua hang cong dan ((phan cau) OR (toan cau)).
• Adding a wildcard symbol may retrieve word variants: ((ho va) or (ho van)) tinh - canh tranh cua hang cong dan ((phan cau) or (toan cau))*.