Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
doi chieu » doc hieu, doi chi, ho chieu
huong cua » dung cua
trung cua » truong cua, trung tuan, trung cap
dung cong » dung trong
tap quan » tac quan, hai quan
van tan » van tuan, van ban, van tai

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu sach - hanh ((huong cua) or (trung cua)) dung cong ((tap quan) or (van tan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - hanh ((huong cua) OR (trung cua)) dung cong ((tap quan) OR (van tan)) cau.
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - hanh ((huong cua) or (trung cua)) dung cong ((tap quan) or (van tan)) cau*.