Perhaps you should try some spelling variations:
mang lai » mang lam, mang luoi, dang loai
van hanh » van thanh, ban hanh, van anh
hanh vai » hanh vi, hanh va, hanh tai
tu tieng » luc tieng, tu tuong, tu trong
su sach » so sach, vu sach
sach ky » sac ky, sach y, sach ty
ky mang » ky nang, ke mang, ky dang
lai hoi » dai hoi, lai hoa, lai roi
hieu va » lieu va, hieu qua
cam luc » cau luc
vai tu » tai tu, mai tu, cai tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ky mang lai hoi. hieu va ((cam luc) OR (cam xuc)) van hanh vai tu tieng~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ky mang lai hoi. hieu va ((cam luc) OR (cam xuc)) van hanh vai tu tieng".
• Adding a wildcard symbol may retrieve word variants: su sach ky mang lai hoi. hieu va ((cam luc) OR (cam xuc)) van hanh vai tu tieng*.