Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
lang van » dang van, tang van, hoang van
binh voi » binh hoi, minh voi, trinh voi
tinh voi » trinh voi, tinh doi, minh voi
van cam » van nam, van lam, van cau
so sach » so sanh, bo sach, co sach
sach ky » sac ky, sach y, sach ty
nang ma » tang ma, sang ma, nang cao
cuu tre » cua tre, cau tren, cau treo
xuc va » duc va, tuc va, luc 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 sach ky ((lang van) or (nang ma)) hoi. hieu van cam xuc va ((tinh voi) or (binh voi)) cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ky ((lang van) OR (nang ma)) hoi. hieu van cam xuc va ((tinh voi) OR (binh voi)) cuu tre.
• Adding a wildcard symbol may retrieve word variants: so sach ky ((lang van) or (nang ma)) hoi. hieu van cam xuc va ((tinh voi) or (binh voi)) cuu tre*.