Perhaps you should try some spelling variations:
hanh vai » hanh vi, hanh va, hanh tai
ban hanh » ban hang
su sach » so sach, vu sach
cua tre » cuu tre, cua triet, dua tren
xuc ban » duc ban, cuc ban, quoc ban
hieu ve » hieu va, hieu van
ty hang » ly hang, ty xang, thi hang
ty dang » ty xang, ky dang, ty dong
ve cam » ve cham, ve cac, va cam
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ((ty dang) OR (ty hang)) xa hoi. hieu ve cam xuc ban hanh vai ((cua tre) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ((ty dang) OR (ty hang)) xa hoi. hieu ve cam xuc ban hanh vai ((cua tre) OR (cua te)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ((ty dang) OR (ty hang)) xa hoi. hieu ve cam xuc ban hanh vai ((cua tre) or (cua te))".
• Adding a wildcard symbol may retrieve word variants: su sach ((ty dang) OR (ty hang)) xa hoi. hieu ve cam xuc ban hanh vai ((cua tre) or (cua te))*.