Perhaps you should try some spelling variations:
hanh tai » thanh tai, hang tai, han tai
vanh dai » van dai, vanh tai, lanh dao
tu sach » thu sach, te sach, tu cach
hieu va » lieu va, hieu qua
cac xuc » cam xuc, cac nuoc, chat xuc
tang xa » trang xa, tang ma, lang xa
ky tang » ky nang, ky dang, kho tang
su sach » so sach, vu sach
cua tre » cua te, cuu tre, cua triet
xuc va » duc va, tuc va, luc va

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 (su sach)) ky tang xa hoi. hieu va cac xuc va ((vanh dai) or (hanh tai)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (su sach)) ky tang xa hoi. hieu va cac xuc va ((vanh dai) OR (hanh tai)) cua tre.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (su sach)) ky tang xa hoi. hieu va cac xuc va ((vanh dai) or (hanh tai)) cua tre*.