Perhaps you should try some spelling variations:
chieu sach » chinh sach, chieu sang, chieu xanh
manh dung » manh hung, manh tung, anh dung
hang cong » dang cong, hang nong, bang cong
cho hang » cho thanh, cho phan, thi hang
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
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: hoc ((chieu sach) OR (chiet tach)) - manh dung cho hang cong tan toan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((chieu sach) OR (chiet tach)) - manh dung cho hang cong tan toan ban".
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu sach) OR (chiet tach)) - manh dung cho hang cong tan toan ban*.