Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
van cham » van chat, van tham, va cham
cham cua » chat cua, cham cuu, ham cua
san hanh » san thanh, ban hanh, van hanh
te sach » toc sach
cua san » cua ban, cua dan, ca san
hanh di » hanh vi, hanh de, hang di
cua tre » cua te, cuu tre, cua triet
y lang » _ lang, tay lang, yen lang
o lang » hoa lang, hoi lang
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: te sach ((y lang) or (o lang)) xa hoi. hieu van cham cua san hanh di cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((y lang) OR (o lang)) xa hoi. hieu van cham cua san hanh di cua tre.
• Adding a wildcard symbol may retrieve word variants: te sach ((y lang) or (o lang)) xa hoi. hieu van cham cua san hanh di cua tre*.