Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
canh manh » lanh manh, canh tranh, cach mang
trong van » trong cac
van thanh » ban thanh, van tuan
thanh cao » thanh ca, thanh cac, thanh thao
ho chieu » theo chieu, hoc thieu, doi chieu
cua rung » cua trung, cua rang, cua truong
cua dang » cua cong, cua ban

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - canh manh ((cua rung) OR (cua dang)) trong van thanh cao~.
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - canh manh ((cua rung) or (cua dang)) trong van thanh cao*.