Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
canh trinh » canh tranh, hanh trinh, canh tinh
trinh phan » trinh han, trinh quan, thanh phan
toc chieu » toc thieu, doc hieu, hoc thieu
phan cong » thanh cong
cong cong » cong dong, trong cong, dung cong
khai pha » khai thac

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc chieu xanh - canh trinh phan cong cong ((khai pha) or (kham pha)) bi~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc chieu xanh - canh trinh phan cong cong ((khai pha) OR (kham pha)) bi*.