Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, hieu manh
chieu tinh » trieu tinh, lieu tinh, chau tinh
hanh trinh » canh tranh, hanh chinh
nang cong » nang song, dang cong, bang cong
trinh ve » trinh he, trinh va, trinh vi
cong san » cong tac
tuan thu » toan thuc
ve nang » va nang, ke nang, de nang

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 (chieu tinh)) - hanh trinh ve nang cong san ((tuan thu) OR (van thu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu xanh) OR (chieu tinh)) - hanh trinh ve nang cong san ((tuan thu) OR (van thu))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chieu xanh) or (chieu tinh)) - hanh trinh ve nang cong san ((tuan thu) OR (van thu))*".