Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
theo chu » theo chieu, cho chu, chao chu
chu manh » ho manh, chu han, chu van
trinh va » trinh van, trinh vat, trinh ve
cong tan » cong tac, cong thanh, cong ty
cong san » cong tac
tran cao » toan cao, tran chau, trang cho
va hang » van hang, va nang, va lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chu manh - hanh trinh va hang ((cong tan) OR (cong san)) tran cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chu manh - hanh trinh va hang ((cong tan) OR (cong san)) tran cao".
• Adding a wildcard symbol may retrieve word variants: theo chu manh - hanh trinh va hang ((cong tan) OR (cong san)) tran cao*.