Perhaps you should try some spelling variations:
hanh lai » hanh lam, hanh tai, thanh lap
tu sach » thu sach, su sach, te sach
ky sang » ky dang, ky tang, duy sang
hieu ve » hieu va, hieu van
va hanh » van hanh, va thanh, va danh
lai cua » dai cua, hai cua, lai chau
cua tre » cua te, cuu tre, cua triet
ma hoi » mai hoi, ma hoa, me hoi
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: tu sach ((ky sang) OR (ky nang)) ((ma hoi) or (xa hoi)). hieu ve cam xuc va hanh lai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((ky sang) OR (ky nang)) ((ma hoi) OR (xa hoi)). hieu ve cam xuc va hanh lai cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ((ky sang) OR (ky nang)) ((ma hoi) or (xa hoi)). hieu ve cam xuc va hanh lai cua tre".
• Adding a wildcard symbol may retrieve word variants: tu sach ((ky sang) OR (ky nang)) ((ma hoi) or (xa hoi)). hieu ve cam xuc va hanh lai cua tre*.