Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
chieu sach » chinh sach, chiet tach, chieu sang
chua xang » chua nang, chuc nang, chu bang
chu manh » ho manh, chu han, chu van
anh tang » anh bang, anh dang, anh nang
va thong » va thuong, va phuong, he thong
cong san » cong tac
san toan » van toan, dan toan, manh toan
toan ban » van ban
tang va » trang va, tang van, thang va

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 (chu manh))) or (chieu sach)) - anh tang va thong cong san toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((((chua xang) OR (chu manh))) OR (chieu sach)) - anh tang va thong cong san toan ban.
• Adding a wildcard symbol may retrieve word variants: theo ((((chua xang) or (chu manh))) or (chieu sach)) - anh tang va thong cong san toan ban*.