Perhaps you should try some spelling variations:
thu sach » thuat sach, thuoc sach, thu hoach
van cham » van chat, van tham, va cham
hanh tai » thanh tai, hang tai, han tai
hanh lai » hanh lam, thanh lap, thanh loi
cham xuc » cam xuc, chat xuc, cham soc
cao hoc » co hoc, cho hoc, chat hoc
thi van » thi lan, thi hanh, thi nang
tu sach » su sach, te sach, tu cach
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: ((thu sach) or (tu sach)) ky nang cao hoc. thi van cham xuc va ((hanh lai) OR (hanh tai)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thu sach) OR (tu sach)) ky nang cao hoc. thi van cham xuc va ((hanh lai) OR (hanh tai)) cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((thu sach) or (tu sach)) ky nang cao hoc. thi van cham xuc va ((hanh lai) OR (hanh tai)) cua tre".
• Adding a wildcard symbol may retrieve word variants: ((thu sach) or (tu sach)) ky nang cao hoc. thi van cham xuc va ((hanh lai) OR (hanh tai)) cua tre*.