Perhaps you should try some spelling variations:
lap hoat » tap hoa, dan hoat, lap dat
chat xuc » chat huu, cam xuc, chao xu
su sach » so sach, vu sach
va hanh » van hanh, va thanh, va danh
ve chat » va chat, van chat
hieu ve » hieu va, hieu van
sach ky » sac ky, sach y, sach ty
ky sang » ky nang, ky dang, ky tang
xuc va » duc va, tuc va, luc va
cua tu » cua tuc, cua su, cua cu

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 sang ((lap hoat) or (tap hop)). hieu ve chat xuc va hanh vi ((cua te) or (cua tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky sang ((lap hoat) OR (tap hop)). hieu ve chat xuc va hanh vi ((cua te) OR (cua tu)).
• Adding a wildcard symbol may retrieve word variants: su sach ky sang ((lap hoat) or (tap hop)). hieu ve chat xuc va hanh vi ((cua te) or (cua tu))*.