Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu xanh
chieu sang » chieu xanh, nhieu tang
tuong cong » truong cong, trong cong, tong cong
hieu lang » hieu quang, nhieu tang, hieu van
anh tang » anh bang, anh dang, anh nang
va tuong » va thuong, va thong, xa truong
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan cao » toan ban, toan tap
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: ho ((chieu sach) or (((chieu sang) or (hieu lang)))) - anh tang va tuong cong tan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sach) OR (((chieu sang) OR (hieu lang)))) - anh tang va tuong cong tan toan cao.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sach) or (((chieu sang) or (hieu lang)))) - anh tang va tuong cong tan toan cao*.