Perhaps you should try some spelling variations:
hieu cua » hieu qua, dieu cua, bieu cua
sach kem » hanh kem
vai cua » dai cua, hai cua, lai cua
van anh » van thanh, tuan anh, van minh
xuc van » duc van, luc van, xuc ban
cac xuc » cam xuc, cac nuoc, chat xuc
nang xa » nang x, lang xa, nang ma
sach ty » sach y, sach tu, sach thu
vi 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: tu ((sach kem) or (sach ty)) nang xa hoi. hieu cua cac xuc van anh ((vi cua) or (vai cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach kem) OR (sach ty)) nang xa hoi. hieu cua cac xuc van anh ((vi cua) OR (vai cua)) tre.
• Adding a wildcard symbol may retrieve word variants: tu ((sach kem) or (sach ty)) nang xa hoi. hieu cua cac xuc van anh ((vi cua) or (vai cua)) tre*.