Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
doi chieu » doc hieu, doi chi, ho chieu
truong va » truong dai, truong cao, truong dao
duong van » duong va, luong va, dang van
tuan chau » tran chau, chuan chau, thanh chau
trung va » trang va, trung ha, trung tam
van tuan » van quan, van ban, anh tuan

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 - thanh ((trung va) or (truong va)) tuong duong van tuan chau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - thanh ((trung va) OR (truong va)) tuong duong van tuan chau.
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - thanh ((trung va) or (truong va)) tuong duong van tuan chau*.