Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
lang van » tang van, hoang van, giang van
dang van » hoang van, hang va
su sach » so sach, vu sach
thuc va » thuc vat, thuc dan, thuc day
van cau » van dau, van hau, van chat
sach ky » sac ky, sach y, sach ty
xuc va » duc va, tuc va, luc va
vi cua » vai cua, di cua
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ky ((lang van) or (dang van)) hoi. hieu van cau ((xuc va) or (thuc va)) hanh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky ((lang van) OR (dang van)) hoi. hieu van cau ((xuc va) OR (thuc va)) hanh vi cua te.
• Adding a wildcard symbol may retrieve word variants: su sach ky ((lang van) or (dang van)) hoi. hieu van cau ((xuc va) or (thuc va)) hanh vi cua te*.