Perhaps you should try some spelling variations:
nhanh dung » nhanh dong, hanh dung, nhanh hung
nhung cong » dung cong, thong cong, nhung don
tieu sach » chieu sach, dien sach, te sach
hang cong » dang cong, hang nong, bang cong
dung thi » dung tai, dung tri, dung chi
tuan cau » quan cau, tuan cu, thuan cam
toan cau » toan cao, toan ban, toan tap

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