Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
chieu sang » chieu sach, chieu xanh, hieu lang
hanh ban » thanh ban, hang ban, hanh san
cua dung » cua dong, qua dung, cua rung
cua dang » cua cong, cua ban
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan cau » 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: theo ((chieu tinh) or (chieu sang)) - hanh ban ((cua dung) or (cua dang)) cong tan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu tinh) OR (chieu sang)) - hanh ban ((cua dung) OR (cua dang)) cong tan toan cau.
• Adding a wildcard symbol may retrieve word variants: theo ((chieu tinh) or (chieu sang)) - hanh ban ((cua dung) or (cua dang)) cong tan toan cau*.