Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
dung cong » dung trong
vat dung » van dung, va dung, viet dung
cong san » cong tac
than cap » khan cap, thanh lap, thanh cac
hanh cac » hang cac, hanh cat, nhanh cay

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 sach - ((thanh tung) or (thanh cong)) vat dung cong san ((than cap) or (hanh cac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - ((thanh tung) OR (thanh cong)) vat dung cong san ((than cap) OR (hanh cac)).
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - ((thanh tung) or (thanh cong)) vat dung cong san ((than cap) or (hanh cac))*.