Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu tinh » trieu tinh, lieu tinh, chau tinh
hanh tung » thanh tung, manh tung, hanh dung
bang cong » dang cong, bang song, hang cong
anh tang » anh bang, anh dang, anh nang
cua bang » chua bang, cua ban, cua dang
cong san » cong tac
khan cap » khan ap, than cap, khoan cam
phan dau » phan tu, hang dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chieu tinh - ((hanh tung) or (anh tang)) cua bang cong san ((khan cap) or (phan dau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu tinh - ((hanh tung) OR (anh tang)) cua bang cong san ((khan cap) OR (phan dau)).
• Adding a wildcard symbol may retrieve word variants: theo chieu tinh - ((hanh tung) or (anh tang)) cua bang cong san ((khan cap) or (phan dau))*.