Perhaps you should try some spelling variations:
hanh lai » hanh lam, hanh tai, thanh lap
van hanh » van thanh, ban hanh, van anh
duy sang » duy van, duy can, duy anh
tu sach » thu sach, su sach, te sach
lai cua » dai cua, hai cua, lai chau
xuc van » duc van, luc van, xuc ban
hieu ve » hieu va, hieu van
ky tang » ky nang, kho tang, ky trong
ky dang » ky nang, ky danh
cua tre » cua te, cuu tre, cua triet
ve cam » ve cham, ve cac, va cam

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 ((((ky dang) or (duy sang))) or (ky tang)) xa hoi. hieu ve cam xuc van hanh lai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((((ky dang) OR (duy sang))) OR (ky tang)) xa hoi. hieu ve cam xuc van hanh lai cua tre.
• Adding a wildcard symbol may retrieve word variants: tu sach ((((ky dang) or (duy sang))) or (ky tang)) xa hoi. hieu ve cam xuc van hanh lai cua tre*.