Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hinh minh » hinh dinh, hinh kinh, trinh minh
dang cong » dung cong
ho chieu » theo chieu, hoc thieu, doi chieu
hinh anh » thich anh
van toan » van tuan, van tan, van thanh
va dang » van dang, va nang, va lang
van tai » von tai, van tuan

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 - ((hinh minh) or (hinh anh)) va dang cong ((van toan) or (van tai)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - ((hinh minh) OR (hinh anh)) va dang cong ((van toan) OR (van tai)) cao.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - ((hinh minh) or (hinh anh)) va dang cong ((van toan) or (van tai)) cao*.