Perhaps you should try some spelling variations:
thanh tran » thanh trang, thanh toan, thanh tra
doi chieu » doc hieu, doi chi, ho chieu
hanh tran » hanh trang, hanh tram, thanh trang
dung cong » dung trong
van thanh » ban thanh, van tuan
thanh tay » thanh tai, thanh toan, thanh thuy
theo chu » theo chieu, cho chu, chao chu
cong van » cong vang, cong san, song van

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) or (doi chieu)) sach - ((hanh tran) or (thanh tran)) xay dung cong van thanh tay~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chu) OR (doi chieu)) sach - ((hanh tran) OR (thanh tran)) xay dung cong van thanh tay.
• Adding a wildcard symbol may retrieve word variants: ((theo chu) or (doi chieu)) sach - ((hanh tran) or (thanh tran)) xay dung cong van thanh tay*.