Perhaps you should try some spelling variations:
thanh trung » thanh tung
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu, hoc hien
doi chieu » doc hieu, doi chi, ho chieu
trung cap » truong cao, trung tam
cap nhung » cam nhung, vap nhung, dap nhung
cong san » cong tac
phan cau » phan dau, phan cac, phan tu
toan tap » toan 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 thieu) or (doi chieu)) sach - thanh trung cap nhung cong san ((phan cau) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (doi chieu)) sach - thanh trung cap nhung cong san ((phan cau) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (doi chieu)) sach - thanh trung cap nhung cong san ((phan cau) or (toan tap))*.