Perhaps you should try some spelling variations:
thuat tinh » thuat trinh, thuat kinh, thuat hinh
tranh qua » tranh cua, thanh qua, trinh qua
dung cong » dung trong
manh toan » thanh toan, anh tuan, tinh toan
chu tinh » chau tinh, chua tinh, cuu tinh
qua dung » quang dung, su dung, qua song
dan than » dan chan, ban than, van than

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chu tinh) or (thuat tinh)) - canh tranh qua dung cong ((dan than) or (manh toan)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chu tinh) OR (thuat tinh)) - canh tranh qua dung cong ((dan than) OR (manh toan)) ban.
• Adding a wildcard symbol may retrieve word variants: theo ((chu tinh) or (thuat tinh)) - canh tranh qua dung cong ((dan than) or (manh toan)) ban*.