Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
trinh quan » tinh quang, trinh luat, trinh han
lieu tinh » trieu tinh, diep tinh, bien tinh
quan hang » quan hoang, quan lang, quan hanh
hoc lieu » hoc dieu, hoc sieu, hoc tieu
cong tac » cong ty
cong tan » cong san, cong thanh, cong ty
than cau » toan cau, phan cau, thanh chau
than cap » khan cap, thanh lap, thanh cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc lieu tinh - hanh trinh quan hang ((cong tac) or (cong tan)) ((than cau) or (than cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc lieu tinh - hanh trinh quan hang ((cong tac) OR (cong tan)) ((than cau) OR (than cap)).
• Adding a wildcard symbol may retrieve word variants: hoc lieu tinh - hanh trinh quan hang ((cong tac) or (cong tan)) ((than cau) or (than cap))*.