Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
van cham » van chat, van tham, va cham
hanh di » hanh vi, hanh de, hang di
tu cach » tu cac
nang xa » nang x, lang xa, nang ma
ly nang » ky nang, ly hang, ly vang
tu sach » thu sach, su sach, te sach
cua tre » cua te, cuu tre, cua triet
luc va » tuc va, loc va
di cua » dai cua, doi cua, de 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 cach) OR (tu sach)) ly nang xa hoi. hieu van cham ((luc va) OR (duc va)) hanh di cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu cach) OR (tu sach)) ly nang xa hoi. hieu van cham ((luc va) OR (duc va)) hanh di cua tre".
• Adding a wildcard symbol may retrieve word variants: ((tu cach) OR (tu sach)) ly nang xa hoi. hieu van cham ((luc va) OR (duc va)) hanh di cua tre*.