Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
nhieu tang » chieu sang, hieu lang, nhiet nang
hanh trinh » canh tranh, hanh chinh
van dung » xay dung, tin dung
cong dan » cong san, cong tan, huong dan
dan chat » van chat, dan chan, ban chat
chat ban » nhat ban, chat ran, cua ban

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) or (nhieu tang)) - hanh trinh ((van dung) OR (van dong)) cong dan chat ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu xanh) OR (nhieu tang)) - hanh trinh ((van dung) OR (van dong)) cong dan chat ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chieu xanh) or (nhieu tang)) - hanh trinh ((van dung) OR (van dong)) cong dan chat ban".
• Adding a wildcard symbol may retrieve word variants: doi ((chieu xanh) or (nhieu tang)) - hanh trinh ((van dung) OR (van dong)) cong dan chat ban*.