Perhaps you should try some spelling variations:
cong thanh » dong thanh, cong trinh, cong tan
nhiet nang » nhiet dong, viet nang, nhieu tang
thanh toan » thanh hoa, thanh san, tinh toan
hieu lang » chieu sang, hieu quang, nhieu tang
dang cong » dung cong
hanh ban » thanh ban, hang ban, hanh san
cua dang » cua cong, cua ban
toan tap » toan ban
ban cua » ban quan

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((hieu lang) or (nhiet nang)) - hanh ban cua dang cong thanh toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((hieu lang) OR (nhiet nang)) - hanh ban cua dang cong thanh toan tap.
• Adding a wildcard symbol may retrieve word variants: doi ((hieu lang) or (nhiet nang)) - hanh ban cua dang cong thanh toan tap*.