Perhaps you should try some spelling variations:
nhanh dung » nhanh dong, hanh dung, nhanh hung
nhung cong » dung cong, thong cong, hang cong
tieu sach » chieu sach, dien sach, viet sach
thi nhung » thi nang, thi hong, thi huong
manh toan » thanh toan, tinh toan
dung thi » dung tai, dung tri, dung chi
te sach » toc sach

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((tieu sach) or (te sach)) - nhanh dung thi nhung cong ((manh toan) OR (anh tuan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((tieu sach) OR (te sach)) - nhanh dung thi nhung cong ((manh toan) OR (anh tuan)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((tieu sach) or (te sach)) - nhanh dung thi nhung cong ((manh toan) OR (anh tuan)) cau".
• Adding a wildcard symbol may retrieve word variants: theo ((tieu sach) or (te sach)) - nhanh dung thi nhung cong ((manh toan) OR (anh tuan)) cau*.