Perhaps you should try some spelling variations:
thuat san » thuat toan, thuat song, thuat lanh
hieu thi » sieu thi, hieu chi, hiep thi
tu sach » thu sach, su sach, te sach
hai xuc » hai cuc, hai xu, chat xuc
vai cua » dai cua, hai cua, lai cua
va danh » va dinh, va dan, dia danh
va hanh » van hanh, va thanh, ban hanh
thi hai » thi mai, thi hanh
lang xa » lang ha, dang xay, lang van
ky lang » ky nang, ky dang, ky tang
cua tre » cua te, cuu tre, cua triet

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu sach) or (thuat san)) ky lang xa hoi. hieu thi hai xuc ((va hanh) or (va danh)) vai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (thuat san)) ky lang xa hoi. hieu thi hai xuc ((va hanh) OR (va danh)) vai cua tre.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (thuat san)) ky lang xa hoi. hieu thi hai xuc ((va hanh) or (va danh)) vai cua tre*.