Perhaps you should try some spelling variations:
hanh tang » hanh trang, hanh mang, hanh tung
bang cong » dang cong, bang song, hang cong
ho chieu » theo chieu, hoc thieu, doi chieu
anh tang » anh bang, anh dang, anh nang
cua bang » chua bang, cua ban, cua dang
cong tac » cong ty
tac than » tac thanh, tam than, tac nhan
than cau » toan cau, phan cau, 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: ((ho chieu) or (theo tieu)) sach - ((hanh tang) or (anh tang)) cua bang cong tac than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (theo tieu)) sach - ((hanh tang) OR (anh tang)) cua bang cong tac than cau.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (theo tieu)) sach - ((hanh tang) or (anh tang)) cua bang cong tac than cau*.