Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hieu lang » chieu sang, hieu quang, nhieu tang
tranh cua » doanh cua, manh cua
cua nhung » va nhung
trinh qua » trinh quan, trinh cua, trinh quang
ho hieu » ho chieu, hoi hieu, nho hieu
qua dau » qua da, qua bau, qua dan

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 nhung cong trinh qua dau~.
• Adding a wildcard symbol may retrieve word variants: ho hieu lang - canh tranh cua nhung cong trinh qua dau*.