Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
dong thanh » truong thanh
hoc chieu » hoc thieu, ho chieu, hoc hien
luan ung » luan hung, luon ung, luan chung
van hung » van dung, manh hung, van duong
cong tan » cong tac, cong san, cong thanh
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: hoc chieu tinh - canh tranh ((luan ung) or (van hung)) ((dong thanh) or (cong tan)) toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu tinh - canh tranh ((luan ung) OR (van hung)) ((dong thanh) OR (cong tan)) toan tap.
• Adding a wildcard symbol may retrieve word variants: hoc chieu tinh - canh tranh ((luan ung) or (van hung)) ((dong thanh) or (cong tan)) toan tap*.