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
trinh cua » tinh cua, trinh luat, trinh quan
cua nhung » va nhung
bai thanh » ban thanh, mai thanh, bui thanh
tai thanh » thi thanh, tai chinh, ban thanh
hoa tap » khoa tap, hoc tap, hoa tan

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chieu xanh) or (nhieu tang)) - hanh trinh cua nhung ((bai thanh) OR (tai thanh)) hoa tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu xanh) OR (nhieu tang)) - hanh trinh cua nhung ((bai thanh) OR (tai thanh)) hoa tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu xanh) or (nhieu tang)) - hanh trinh cua nhung ((bai thanh) OR (tai thanh)) hoa tap".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu xanh) or (nhieu tang)) - hanh trinh cua nhung ((bai thanh) OR (tai thanh)) hoa tap*.