Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
quan nhung » qua nhung, cua nhung, luan chung
cong thanh » dong thanh, cong trinh, cong tan
hanh dung » thanh dung, anh dung, hanh dong
dung quan » dung quang, dung luan, luong quan
ho chieu » theo chieu, hoc thieu, doi chieu
toan cao » toan tap
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu xanh - hanh dung quan nhung ((cong thanh) or (huong dan)) ((toan cao) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - hanh dung quan nhung ((cong thanh) OR (huong dan)) ((toan cao) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - hanh dung quan nhung ((cong thanh) or (huong dan)) ((toan cao) or (toan ban))*.