Perhaps you should try some spelling variations:
thanh trung » thanh tung
nhieu tang » chieu sang, nhiet nang
trung quan » truong quan, trong quan, trung tuan
hieu lang » chieu sang, hieu quang, hieu van
quan dung » quang dung, quan duong, qua dung
dung cong » dung trong
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan cau » 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 ((nhieu tang) or (hieu lang)) - thanh trung quan dung cong tac toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((nhieu tang) OR (hieu lang)) - thanh trung quan dung cong tac toan cau.
• Adding a wildcard symbol may retrieve word variants: theo ((nhieu tang) or (hieu lang)) - thanh trung quan dung cong tac toan cau*.