Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
so sach » so sanh, bo sach, co sach
han tai » hang tai, nhan tai, van tai
luc van » luoc van, luu van, duc van
cau luc » cau truc, cau phuc
sach ty » sach y, sach tu, sach thu
van cau » van dau, van hau, van chat
mai hoi » mai khoi, dai hoi, lai hoi
ma hoi » xa hoi, ma hoa, me hoi
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: so sach ty xang ((ma hoi) or (mai hoi)). hieu van cau luc van ((han tai) or (hanh vi)) cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ty xang ((ma hoi) OR (mai hoi)). hieu van cau luc van ((han tai) OR (hanh vi)) cua te.
• Adding a wildcard symbol may retrieve word variants: so sach ty xang ((ma hoi) or (mai hoi)). hieu van cau luc van ((han tai) or (hanh vi)) cua te*.