Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh trinh » canh tranh, hanh chinh
nhung cong » dung cong, thong cong, nhung don
doi chieu » doc hieu, doi chi, ho chieu
trinh cua » tinh cua, trinh luat, trinh quan
hang cong » dang cong, hang nong, bang cong
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: doi chieu xanh - hanh trinh cua ((nhung cong) OR (hang cong)) ((van tan) or (van ban)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - hanh trinh cua ((nhung cong) OR (hang cong)) ((van tan) OR (van ban)) cao*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu xanh - hanh trinh cua ((nhung cong) OR (hang cong)) ((van tan) or (van ban)) cao*".