Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
hang tai » hang va, dung tai
so sach » so sanh, co sach, hoc sach
hanh va » hang va, hanh vi
xuc van » duc van, luc van, vuc van
cau xuc » cam xuc, cau luc, cau truc
van cau » van dau, van hau, van chat
xang xa » lang xa, mang xa, ang xa
tu xang » ty xang, tu lang, tu quang
bo sach » co sach, hoc sach
cua tre » cua te, cuu tre, cua triet

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) OR (bo sach)) tu xang xa hoi. hieu van cau xuc van ((hang tai) or (hanh va)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((so sach) OR (bo sach)) tu xang xa hoi. hieu van cau xuc van ((hang tai) OR (hanh va)) cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((so sach) OR (bo sach)) tu xang xa hoi. hieu van cau xuc van ((hang tai) or (hanh va)) cua tre*".