Perhaps you should try some spelling variations:
hinh sach » chinh sach, sinh sach, hanh sach
dinh sach » sinh sach, tinh sach, chinh sach
trong van » trong cac
dong cua » dung cua, cong cua, huong cua
van tuan » van quan, van ban, anh tuan
tuan cau » toan cau, quan cau, tuan cu
ban cua » ban quan

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

• Performing a fuzzy search may retrieve terms with similar spellings: mo ((hinh sach) or (dinh sach)) - cach ((dong cua) or (ban cua)) dung trong van tuan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: mo ((hinh sach) OR (dinh sach)) - cach ((dong cua) OR (ban cua)) dung trong van tuan cau.
• Adding a wildcard symbol may retrieve word variants: mo ((hinh sach) or (dinh sach)) - cach ((dong cua) or (ban cua)) dung trong van tuan cau*.