Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
chong tac » chong tham, phong tuc, cong tan
quang cao » nang cao, quang nam
quang cua » quan cua, quang tuan, quang huy
chi hanh » chi nhanh, chi thanh, thi hanh
tranh va » tranh van, trang va, trinh va
cong tac » cong ty
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 hanh - hanh tranh va nhung ((chong tac) or (cong tac)) ((quang cao) or (quang cua))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi hanh - hanh tranh va nhung ((chong tac) OR (cong tac)) ((quang cao) OR (quang cua)).
• Adding a wildcard symbol may retrieve word variants: doi chi hanh - hanh tranh va nhung ((chong tac) or (cong tac)) ((quang cao) or (quang cua))*.