Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
nhung cong » dung cong, thong cong, hang cong
theo chua » theo chu, ho chua, cheo cua
chua xang » chua nang, chuc nang, chu bang
trinh va » trinh van, trinh vat, trinh ve
cong san » cong tac
than cao » thai cao, than sao, than vao
than cap » khan cap, thanh lap, thanh cac
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chua xang - hanh trinh va nhung cong san ((((than cao) or (than cap))) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chua xang - hanh trinh va nhung cong san ((((than cao) OR (than cap))) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: theo chua xang - hanh trinh va nhung cong san ((((than cao) or (than cap))) or (toan cao))*.