Perhaps you should try some spelling variations:
cong thanh » dong thanh, cong trinh, cong tan
theo chuc » theo chu, tho chu, treo chu
tang luan » dung luan
luan dung » lan dung, luan dong, luan hung
dung cong » dung trong
anh tang » anh bang, anh dang, anh nang
ban cau » bang cau, ban can, van cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chuc nang - anh tang luan dung cong thanh ((ban cau) or (van dao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chuc nang - anh tang luan dung cong thanh ((ban cau) OR (van dao)).
• Adding a wildcard symbol may retrieve word variants: theo chuc nang - anh tang luan dung cong thanh ((ban cau) or (van dao))*.