Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
quan nhung » qua nhung, cua nhung, luan chung
tang quan » tang luan, nang quan, tong quan
anh tang » anh bang, anh dang, anh nang
cong dan » cong san, huong dan, cong dong
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: theo ((chieu tinh) or (diep tinh)) - anh tang quan nhung ((cong dan) OR (cong tan)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu tinh) OR (diep tinh)) - anh tang quan nhung ((cong dan) OR (cong tan)) toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu tinh) or (diep tinh)) - anh tang quan nhung ((cong dan) OR (cong tan)) toan cao".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu tinh) or (diep tinh)) - anh tang quan nhung ((cong dan) OR (cong tan)) toan cao*.