Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, nhung don
hanh trinh » canh tranh, hanh chinh
hieu lang » chieu sang, hieu quang, nhieu tang
trinh cua » tinh cua, trinh luat, trinh quan
hang cong » dang cong, hang nong, bang cong
van thanh » ban thanh, van tuan
thanh cau » thanh chau, thanh mau, nhanh cau
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 - hanh trinh cua ((nhung cong) or (hang cong)) van thanh cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho hieu lang - hanh trinh cua ((nhung cong) OR (hang cong)) van thanh cau.
• Adding a wildcard symbol may retrieve word variants: ho hieu lang - hanh trinh cua ((nhung cong) or (hang cong)) van thanh cau*.