Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hoang manh » hoang minh, hoang anh, hoang xanh
nhung cong » dung cong, thong cong, hang cong
chua xang » chua nang, chuc nang, chu bang
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan tap » toan ban
manh va » hanh va, anh va, minh va

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

• Performing a fuzzy search may retrieve terms with similar spellings: chao ((chua xang) or (chieu sach)) - hoang manh va nhung cong tac toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: chao ((chua xang) OR (chieu sach)) - hoang manh va nhung cong tac toan tap.
• Adding a wildcard symbol may retrieve word variants: chao ((chua xang) or (chieu sach)) - hoang manh va nhung cong tac toan tap*.