Perhaps you should try some spelling variations:
thanh trung » thanh tung
nhung cong » dung cong, thong cong, hang cong
hop nhieu » hoc thieu, ho chieu, he nhieu
trung cua » truong cua, trung tuan, trung cap
cua nhung » va nhung
ho nhieu » ho chieu, he nhieu, hoc thieu
cong san » cong tac
toan tai » doanh tai, toan ban, toan cao
toan tap » toan ban

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho nhieu) OR (hop nhieu)) tang - thanh trung cua nhung cong san ((toan tai) OR (toan tap))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho nhieu) OR (hop nhieu)) tang - thanh trung cua nhung cong san ((toan tai) or (toan tap))~".
• Adding a wildcard symbol may retrieve word variants: ((ho nhieu) OR (hop nhieu)) tang - thanh trung cua nhung cong san ((toan tai) or (toan tap))*.