Perhaps you should try some spelling variations:
hieu viec » nhieu viec, hieu ve, sieu viet
viec can » viec ban, vien can, view can
can nuoc » cap nuoc, cac nuoc, can cuoc
tu sach » thu sach, su sach, te sach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
mai hoi » mai khoi, dai hoi, mai doi
lai hoi » dai hoi, lai hoa, lai roi
va hanh » van hanh, va thanh, va danh
vi hoa » voi hoa, vi hoc, va hoa

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

• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ty nang ((mai hoi) OR (lai hoi)). hieu viec can nuoc va hanh vi hoa viet~.
• Adding a wildcard symbol may retrieve word variants: tu sach ty nang ((mai hoi) or (lai hoi)). hieu viec can nuoc va hanh vi hoa viet*.