Perhaps you should try some spelling variations:
chieu tinh » chau tinh, kieu tinh, che tinh
lieu tinh » diep tinh, bien tinh
tranh ung » trinh ung, tranh nhung, tranh quang
dung cong » dung trong
cong ban » cong bang, cong san, cong tan
ban than » ban thanh, van thanh, ban hang
than tap » toan tap, han tap, phan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((chieu tinh) or (((lieu tinh) or (trieu tinh)))) - canh tranh ung dung cong ban than tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu tinh) OR (((lieu tinh) OR (trieu tinh)))) - canh tranh ung dung cong ban than tap.
• Adding a wildcard symbol may retrieve word variants: doi ((chieu tinh) or (((lieu tinh) or (trieu tinh)))) - canh tranh ung dung cong ban than tap*.