Perhaps you should try some spelling variations:
chieu sach » chinh sach, chieu sang, chieu xanh
nhanh dung » nhanh dong, hanh dung, thanh dung
nhanh hung » thanh hung, nhanh hong, nhanh chuong
nhung cong » dung cong, thong cong, hang cong
thi nhung » thi nang, thi hong, thi huong
cong manh » cong danh, duong manh, cong thanh
manh toan » thanh toan, anh tuan, tinh toan
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 ((chieu sach) OR (chiet tach)) - ((nhanh dung) or (nhanh hung)) thi nhung cong manh toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu sach) OR (chiet tach)) - ((nhanh dung) OR (nhanh hung)) thi nhung cong manh toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu sach) OR (chiet tach)) - ((nhanh dung) or (nhanh hung)) thi nhung cong manh toan tap".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sach) OR (chiet tach)) - ((nhanh dung) or (nhanh hung)) thi nhung cong manh toan tap*.