Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
chieu sach » chinh sach, chiet tach, chieu sang
tuong dong » tuong duong, trong dong, cuong duong
hanh dung » thanh dung, anh dung, hanh dong
ho chieu » theo chieu, hoc thieu, doi chieu
dung cua » dung luan, dung cho
tap quan » tac quan, hai quan
quan lap » quan luan, quang lam, quan lang

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 sach - hanh dung cua ((thuong cong) or (tuong dong)) tap quan lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - hanh dung cua ((thuong cong) OR (tuong dong)) tap quan lap.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - hanh dung cua ((thuong cong) or (tuong dong)) tap quan lap*.