Perhaps you should try some spelling variations:
tranh cua » doanh cua, manh cua
dong cong » duong cong, dung cong, dang cong
nha hieu » nha dieu, nghe hieu, phan hieu
nhu hieu » nhu hien, nho hieu, nhu dieu
cua dong » chua dong, cua cong, cua dang
cong dan » cong san, cong tan, huong dan
toan tai » toan tap, doanh tai, toan ban
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((nha hieu) or (nhu hieu)) lang - canh tranh cua dong cong dan ((toan tai) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((nha hieu) OR (nhu hieu)) lang - canh tranh cua dong cong dan ((toan tai) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: ((nha hieu) or (nhu hieu)) lang - canh tranh cua dong cong dan ((toan tai) or (toan cao))*.