Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
doi chieu » doc hieu, doi chi, mot chieu
tung tuan » trung tuan, hung tuan, quang tuan
tran tuan » tran xuan, tran quang, tran thanh
thong van » trong van, thong va, thong quan
van tan » van tuan, van ban, van tai
tan cau » toan cau, van cau, tan ca

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 ((tung tuan) or (tran tuan)) thong thong van tan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - thanh ((tung tuan) OR (tran tuan)) thong thong van tan cau.
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - thanh ((tung tuan) or (tran tuan)) thong thong van tan cau*.