Perhaps you should try some spelling variations:
nhung duong » nhung dung, nhung huong, nhung tuong
chieu sach » chinh sach, chieu sang, chieu xanh
thanh tung » thanh cong
cua nhung » va nhung
duong van » duong va, luong va, dang van
tung cua » trung cua, tuong cua, dung cua
tuan cau » toan cau, quan cau, tuan cu
tuan thu » toan thuc, van thu

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chieu sach) OR (chiet tach)) - thanh tung cua nhung duong van ((tuan cau) or (tuan thu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu sach) OR (chiet tach)) - thanh tung cua nhung duong van ((tuan cau) OR (tuan thu)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu sach) OR (chiet tach)) - thanh tung cua nhung duong van ((tuan cau) or (tuan thu))".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sach) OR (chiet tach)) - thanh tung cua nhung duong van ((tuan cau) or (tuan thu))*.