Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
hoc trieu » hoc thieu, hoc tieu, hoc dieu
trinh cua » tinh cua, trinh luat, trinh quan
cua khong » hua khong, cua phuong, cua thuong
cong ban » cong bang, cong tan, cong dan
cong san » cong tac
than cao » toan cao, thai cao, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc trieu tinh - hanh trinh cua khong ((cong ban) or (cong san)) than cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc trieu tinh - hanh trinh cua khong ((cong ban) OR (cong san)) than cao*.