Perhaps you should try some spelling variations:
binh voi » binh hoi, minh voi, tinh voi
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
hieu ve » hieu va, hieu van
cau luc » cau truc, cau phuc
tinh va » tich va, trinh van, trinh vat
cua tre » cua te, cuu tre, cua triet
so sac » so sach, so dac
sac ky » cac ky, sai ky
ve cau » ke cau, va cau, ve cac
luc va » duc va, tuc va, loc va

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: so sac ky lang xa hoi. hieu ve cau luc va ((tinh va) or (binh voi)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sac ky lang xa hoi. hieu ve cau luc va ((tinh va) OR (binh voi)) cua tre.
• Adding a wildcard symbol may retrieve word variants: so sac ky lang xa hoi. hieu ve cau luc va ((tinh va) or (binh voi)) cua tre*.