Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
trinh ve » trinh he, trinh va, trinh vi
sang dai » sang tai, lang dai, sang mai
tinh vi » trinh vi, tinh voi, tinh va
hieu ve » hieu va, hieu van
dai hai » dai han, dai hoi, dai tai
ky sang » ky nang, ky dang, ky tang
te sach » toc sach
cua tre » cua te, cuu tre, cua triet
ve cam » ve cham, ve cac, va cam
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 (te sach)) ky sang dai hai. hieu ve cam xuc va ((tinh vi) or (trinh ve)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thu sach) OR (te sach)) ky sang dai hai. hieu ve cam xuc va ((tinh vi) OR (trinh ve)) cua tre.
• Adding a wildcard symbol may retrieve word variants: ((thu sach) or (te sach)) ky sang dai hai. hieu ve cam xuc va ((tinh vi) or (trinh ve)) cua tre*.