Perhaps you should try some spelling variations:
nhanh trinh » hanh trinh, nhanh tinh, thanh trinh
trinh cua » tinh cua, trinh luat, trinh quan
cua thong » cua thuong, cua khong, cua tong
thong van » trong van, thong va, thong quan
van toan » van tuan, van tan, van thanh
toan ban » van ban
co sach » cuon sach, hoc sach
bo sach » hoc sach

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((co sach) or (bo sach)) - nhanh trinh cua thong thong van toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((co sach) OR (bo sach)) - nhanh trinh cua thong thong van toan ban.
• Adding a wildcard symbol may retrieve word variants: doi ((co sach) or (bo sach)) - nhanh trinh cua thong thong van toan ban*.