Perhaps you should try some spelling variations:
nhanh dung » hanh dung, nhanh hung, thanh dung
nhanh dong » hanh dong, nhanh chong, anh dong
thai nhung » thi nhung, tham nhung, thai vung
nhung cong » dung cong, thong cong, hang cong
cong manh » cong danh, duong manh, cong thanh
manh toan » thanh toan, anh tuan, tinh toan
hau sach » khau sach, cau sach, ham sach
cao sach » co sach, ao sach, cau sach
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 ((hau sach) or (cao sach)) - ((nhanh dung) OR (nhanh dong)) thai nhung cong manh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((hau sach) OR (cao sach)) - ((nhanh dung) OR (nhanh dong)) thai nhung cong manh toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((hau sach) or (cao sach)) - ((nhanh dung) OR (nhanh dong)) thai nhung cong manh toan cao".
• Adding a wildcard symbol may retrieve word variants: theo ((hau sach) or (cao sach)) - ((nhanh dung) OR (nhanh dong)) thai nhung cong manh toan cao*.