Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, chau tinh, kieu tinh
quang dung » quang trung, ung dung
cuong dung » tuong duong, ung dung, thong dung
lieu tinh » trieu tinh, diep tinh, bien tinh
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
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: doi ((chieu tinh) or (lieu tinh)) - canh tranh ((quang dung) OR (cuong dung)) cong dan toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu tinh) OR (lieu tinh)) - canh tranh ((quang dung) OR (cuong dung)) cong dan toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chieu tinh) or (lieu tinh)) - canh tranh ((quang dung) OR (cuong dung)) cong dan toan tap".
• Adding a wildcard symbol may retrieve word variants: doi ((chieu tinh) or (lieu tinh)) - canh tranh ((quang dung) OR (cuong dung)) cong dan toan tap*.