Perhaps you should try some spelling variations:
nuoc sach » nguoi sach, cuoc cach, cuon sach
hoc sach » hoc sinh, hoc cac, hoc anh
cao duoc » tao duoc, co duoc, cao duc
hanh tai » thanh tai, hang tai, han tai
tu trong » tu tuong, tu tieng
trong xa » trong xay, trong ca, trong xu
hanh vai » hanh vi, hanh va, hanh van
cua tre » cua te, cuu tre, cua triet
duoc xa » duoc ma, duoc va, duoc ha
hieu va » lieu va, hieu qua
va cao » va cac, va co, va dao

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc sach) or (nuoc sach)) tu trong xa hoi. hieu va cao duoc xa ((hanh vai) or (hanh tai)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc sach) OR (nuoc sach)) tu trong xa hoi. hieu va cao duoc xa ((hanh vai) OR (hanh tai)) cua tre.
• Adding a wildcard symbol may retrieve word variants: ((hoc sach) or (nuoc sach)) tu trong xa hoi. hieu va cao duoc xa ((hanh vai) or (hanh tai)) cua tre*.