Perhaps you should try some spelling variations:
cong thanh » dong thanh, cong trinh, cong tan
chua dang » cua dang, chua dong, chua nang
dang cong » dung cong
theo cuu » theo chu, khao cuu, thao cua
anh nang » ganh nang, anh bang, anh sang
anh dang » anh dong, anh dung, anh bang
san cau » van cau, ban cau, can 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 cuu van - ((anh nang) or (anh dang)) chua dang cong thanh san cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo cuu van - ((anh nang) OR (anh dang)) chua dang cong thanh san cau.
• Adding a wildcard symbol may retrieve word variants: theo cuu van - ((anh nang) or (anh dang)) chua dang cong thanh san cau*.