Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
chau tinh » cuu tinh, ha tinh, cua tinh
trung cap » truong cao
hoc chau » hoc chat, moc chau, hoc cau
cong san » cong tac
toan tai » toan tap, doanh tai, toan cao
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 chau tinh - thanh ((trung cap) or (trung tam)) nhung cong san ((toan tai) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chau tinh - thanh ((trung cap) OR (trung tam)) nhung cong san ((toan tai) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: hoc chau tinh - thanh ((trung cap) or (trung tam)) nhung cong san ((toan tai) or (toan ban))*.