Perhaps you should try some spelling variations:
nhanh tinh » nhanh thanh, hanh trinh, nhan sinh
tinh thuat » tinh thua, tinh chat, tinh thai
nhung cong » dung cong, thong cong, nhung don
tieu sach » chieu sach, dien sach, te sach
hang cong » dang cong, hang nong, bang cong
van toan » van tuan, van tan, van thanh
toan tap » toan ban

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 tinh thuat ((nhung cong) OR (hang cong)) van toan tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu sach - nhanh tinh thuat ((nhung cong) OR (hang cong)) van toan tap".
• Adding a wildcard symbol may retrieve word variants: theo tieu sach - nhanh tinh thuat ((nhung cong) OR (hang cong)) van toan tap*.