Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
hoc chieu » hoc thieu, ho chieu, hoc hien
hanh tang » hanh trang, anh tang, hanh mang
cong tang » cong thang, cong lang, cong vang
tang cua » mang cua, hang cua, tang luan
cua dung » cua dang, cua dong, qua dung
cong tan » cong tac, cong san, cong thanh
toan cao » toan ban, 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: hoc chieu tinh - hanh tang cua dung ((cong tan) or (cong tang)) ((van ban) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu tinh - hanh tang cua dung ((cong tan) OR (cong tang)) ((van ban) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: hoc chieu tinh - hanh tang cua dung ((cong tan) or (cong tang)) ((van ban) or (toan cao))*.