Perhaps you should try some spelling variations:
thanh chau » thanh cha, thanh cham, thanh chu
hanh tranh » canh tranh, hanh trinh, hanh trang
thien anh » thien danh, thien thanh, thien chanh
tranh cua » doanh cua, manh cua
bang cong » dang cong, bang song, hang cong
tien anh » tieng anh, tien manh, dien anh
cua bang » chua bang, cua ban, cua dang
cong tac » cong ty
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 ((thien anh) or (tien anh)) - hanh tranh cua bang cong tac ((thanh chau) or (than cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thien anh) OR (tien anh)) - hanh tranh cua bang cong tac ((thanh chau) OR (than cap)).
• Adding a wildcard symbol may retrieve word variants: hoc ((thien anh) or (tien anh)) - hanh tranh cua bang cong tac ((thanh chau) or (than cap))*.