Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
quan nhung » qua nhung, cua nhung, luan chung
tong quan » thong quan, tong luan, luong quan
anh tong » anh trong, anh thong, anh dong
cong san » cong tac
cong tan » cong tac, cong thanh, cong ty
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 ((thuc hanh) or (chieu tinh)) - anh tong quan nhung ((cong san) or (cong tan)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((thuc hanh) OR (chieu tinh)) - anh tong quan nhung ((cong san) OR (cong tan)) toan cau.
• Adding a wildcard symbol may retrieve word variants: theo ((thuc hanh) or (chieu tinh)) - anh tong quan nhung ((cong san) or (cong tan)) toan cau*.