Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
so sach » so sanh, bo sach, co sach
sach ty » sach y, sach tu, sach thu
xang xa » lang xa, mang xa, ang xa
hieu ve » hieu va
cac xuc » cam xuc, cac nuoc, chat xuc
va dinh » van dinh, va kinh, va tinh
xuc va » duc va, tuc va, luc va
vi cua » vai cua, di cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sach ty xang xa hoi. ((hieu ve) or (hieu van)) cac xuc va dinh ((vi cua) or (dai cua)) te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ty xang xa hoi. ((hieu ve) OR (hieu van)) cac xuc va dinh ((vi cua) OR (dai cua)) te.
• Adding a wildcard symbol may retrieve word variants: so sach ty xang xa hoi. ((hieu ve) or (hieu van)) cac xuc va dinh ((vi cua) or (dai cua)) te*.