Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
chieu sach » chinh sach, chiet tach, chieu sang
hanh tang » hanh trang, anh tang, hanh mang
dung cong » dung trong
tang vat » tang van, dang vat, bang vat
vat dung » van dung, va dung, viet dung
cong tan » cong tac, cong san, cong thanh
toan ban » van ban
toan cao » toan tap

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) or (chieu sach)) - hanh tang vat dung cong tan ((toan ban) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu tinh) OR (chieu sach)) - hanh tang vat dung cong tan ((toan ban) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: theo ((chieu tinh) or (chieu sach)) - hanh tang vat dung cong tan ((toan ban) or (toan cao))*.