Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hieu lang » chieu sang, hieu quang, nhieu tang
doanh cua » doanh luan
manh cua » ban cua
cong san » cong tac
san phan » san pham, van phan, sat phan
phan cau » phan dau, phan cac, phan tu
ho hieu » ho chieu, hoi hieu, nho hieu

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 - canh ((((tranh cua) or (manh cua))) or (doanh cua)) nhung cong san phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho hieu lang - canh ((((tranh cua) OR (manh cua))) OR (doanh cua)) nhung cong san phan cau.
• Adding a wildcard symbol may retrieve word variants: ho hieu lang - canh ((((tranh cua) or (manh cua))) or (doanh cua)) nhung cong san phan cau*.