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
trinh quan » tinh quang, trinh luat, trinh han
quan hang » quan hoang, quan lang, quan hanh
hang cong » dang cong, hang nong, bang cong
san thanh » ban thanh, van thanh, son thanh
thanh bai » thanh hai, thanh tai, thanh oai
cong san » cong tac

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((chieu xanh) or (chieu tinh)) - hanh trinh quan hang cong san thanh bai~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu xanh) OR (chieu tinh)) - hanh trinh quan hang cong san thanh bai*.