Perhaps you should try some spelling variations:
cong thanh » dong thanh, cong trinh, cong tan
chieu sach » chinh sach, chiet tach, chieu sang
thanh toan » thanh hoa, thanh san, tinh toan
chua xang » chua nang, chuc nang, chu bang
hanh tang » hanh trang, anh tang, hanh mang
tang luan » dung luan
luan hang » luan nang, luan han, luan hung
hang cong » dang cong, hang nong, bang cong
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chua xang) or (chieu sach)) - hanh tang luan hang cong thanh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chua xang) OR (chieu sach)) - hanh tang luan hang cong thanh toan ban*.