Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
hieu lang » chieu sang, hieu quang, nhieu tang
hanh tang » hanh trang, anh tang, hanh mang
cua dang » cua ban
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((hieu lang) or (chieu tinh)) - hanh tang ((cua dang) or (cua cong)) cong tan toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((hieu lang) OR (chieu tinh)) - hanh tang ((cua dang) OR (cua cong)) cong tan toan tap.
• Adding a wildcard symbol may retrieve word variants: theo ((hieu lang) or (chieu tinh)) - hanh tang ((cua dang) or (cua cong)) cong tan toan tap*.