Perhaps you should try some spelling variations:
chiet tach » chieu sach
nhung cong » dung cong, thong cong, hang cong
hoc chiet » hoc thiet, hoc nhiet, hoc hien
trung cap » truong cao, trung tam
cong danh » cuong danh, cong dan, cong thanh
danh toan » manh toan, anh toan, dan toan
tung cap » cung cap, thong cap, trong cap
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 chiet tach - thanh ((tung cap) or (trung cap)) nhung cong danh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chiet tach - thanh ((tung cap) OR (trung cap)) nhung cong danh toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc chiet tach - thanh ((tung cap) or (trung cap)) nhung cong danh toan ban*.