Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hieu lang » chieu sang, hieu quang, nhieu tang
trang cua » tranh cua, trung cua, thang cua
tang cua » mang cua, hang cua, tang luan
cong dan » cong san, cong tan, huong dan
tvan tai » toan tai, tan tai, tuan tai
ho hieu » ho chieu, hoi hieu, nho hieu
van tai » von tai, van tuan

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho hieu lang - hanh ((trang cua) or (tang cua)) nhung cong dan ((tvan tai) or (van tai))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho hieu lang - hanh ((trang cua) OR (tang cua)) nhung cong dan ((tvan tai) OR (van tai)).
• Adding a wildcard symbol may retrieve word variants: ho hieu lang - hanh ((trang cua) or (tang cua)) nhung cong dan ((tvan tai) or (van tai))*.