Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
hang tai » hang va, dung tai
thuc va » thuc vat, thuc dan, thuc day
ty nang » ky nang, ty xang, ly nang
tai cua » thai cua, tai cuc, tri cua
ty hang » ly hang, ty xang, thi hang
hieu va » lieu va, hieu qua
va cam » va cham, va cac, va cao
xuc va » duc va, tuc va, luc va
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuat sach ((ty nang) or (ty hang)) xa hoi. hieu va cam ((xuc va) or (thuc va)) hang tai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat sach ((ty nang) OR (ty hang)) xa hoi. hieu va cam ((xuc va) OR (thuc va)) hang tai cua te.
• Adding a wildcard symbol may retrieve word variants: thuat sach ((ty nang) or (ty hang)) xa hoi. hieu va cam ((xuc va) or (thuc va)) hang tai cua te*.