Perhaps you should try some spelling variations:
lang van » dang van, tang van, hoang van
hieu van » hieu va, thien van, lieu va
su sach » so sach, vu sach
hanh ve » hanh vi, hanh va, hanh kem
van cam » van nam, van lam, van cau
lang xa » lang ha, dang xay
cuu tre » cua tre, cau tren, cau treo
xuc va » duc va, luc va, xac va
tuc va » thuc va, truc va, tuc xa
ve cuu » ve cau, ve chu, ve cua

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 _ ((lang xa) OR (lang van)) hoi. hieu van cam ((xuc va) or (tuc va)) hanh ve cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach _ ((lang xa) OR (lang van)) hoi. hieu van cam ((xuc va) OR (tuc va)) hanh ve cuu tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach _ ((lang xa) OR (lang van)) hoi. hieu van cam ((xuc va) or (tuc va)) hanh ve cuu tre*".