Perhaps you should try some spelling variations:
thong nhung » trong nhung, thong thuong, thong thong
duong sach » duong manh
nhanh tinh » nhanh thanh, hanh trinh, nhan sinh
cuon sach » cuoc cach, co sach, nuoc sach
cua thong » cua thuong, cua khong, cua tong
tinh cua » trinh cua, sinh cua, tinh chat
quy toan » huy toan, quy tuan, quyet toan
toan ban » van ban

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "moi ((cuon sach) OR (duong sach)) - nhanh tinh cua thong nhung quy toan ban~".
• Adding a wildcard symbol may retrieve word variants: moi ((cuon sach) OR (duong sach)) - nhanh tinh cua thong nhung quy toan ban*.