Perhaps you should try some spelling variations:
toc sach » hoc sach, doc sach, thuoc sach
hieu van » hieu va, thien van, lieu va
kinh lai » kinh hai, minh lai, tinh lai
ty hang » ly hang, thi hang, thu hang
van lam » van nam
lam xuc » cam xuc, lam duoc
va kinh » va tinh, qua kinh
lai cua » dai cua, hai cua, lai chau
xuc va » duc va, tuc va, luc va
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: toc sach ((ty xang) or (ty hang)) xa hoi. hieu van lam xuc va kinh lai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc sach ((ty xang) OR (ty hang)) xa hoi. hieu van lam xuc va kinh lai cua te.
• Adding a wildcard symbol may retrieve word variants: toc sach ((ty xang) or (ty hang)) xa hoi. hieu van lam xuc va kinh lai cua te*.