Perhaps you should try some spelling variations:
thuoc sach » hoc sach, nuoc sach, thuat sach
hieu van » thien van, lieu va, hieu ve
hang vai » hang va, hang tai, hang hai
ban hang » ngan hang
hieu va » lieu va, hieu qua
vai cua » dai cua, hai cua, lai cua
xuc ban » duc ban, cuc ban, quoc ban
te sach » toc sach
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: ((te sach) or (thuoc sach)) ky lang xa hoi. ((hieu van) or (hieu va)) cam xuc ban hang vai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (thuoc sach)) ky lang xa hoi. ((hieu van) OR (hieu va)) cam xuc ban hang vai cua tre.
• Adding a wildcard symbol may retrieve word variants: ((te sach) or (thuoc sach)) ky lang xa hoi. ((hieu van) or (hieu va)) cam xuc ban hang vai cua tre*.