Perhaps you should try some spelling variations:
thanh trung » thanh tung
hanh trinh » canh tranh, hanh chinh
hieu manh » chieu xanh, hieu nganh, dieu hanh
hoc hieu » hoc thieu, hoc hien, doc hieu
cong tan » cong san, cong thanh, cong ty
cong tac » cong ty
chan cho » chat cho, han cho, chuan chon

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hieu manh - ((hanh trinh) or (thanh trung)) va nhung ((cong tan) or (cong tac)) chan cho~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hieu manh - ((hanh trinh) OR (thanh trung)) va nhung ((cong tan) OR (cong tac)) chan cho.
• Adding a wildcard symbol may retrieve word variants: hoc hieu manh - ((hanh trinh) or (thanh trung)) va nhung ((cong tan) or (cong tac)) chan cho*.