Perhaps you should try some spelling variations:
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, thanh cong
bang cong » dang cong, bang song, dung cong
ho hieu » ho chieu, hoi hieu, nho hieu
van tan » van tuan, van tai, van thanh

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 ((hang cong) OR (bang cong)) ((van tan) or (van ban)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho hieu lang - hanh trinh cua ((hang cong) OR (bang cong)) ((van tan) OR (van ban)) ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho hieu lang - hanh trinh cua ((hang cong) OR (bang cong)) ((van tan) or (van ban)) ban".
• Adding a wildcard symbol may retrieve word variants: ho hieu lang - hanh trinh cua ((hang cong) OR (bang cong)) ((van tan) or (van ban)) ban*.