Perhaps you should try some spelling variations:
thanh vi » hanh vi, thanh ve, nhanh vi
thanh va » thanh van, hanh va, thanh ha
vu sach » vu bach, su sach, vu khach
sach tu » sach thu, cach tu, sach ty
tu tang » tuc tang, tu trang, tu tong
tang xa » trang xa, tang ma, lang xa
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: vu sach tu tang xa hoi. hieu ((van nam) or (van lam)) xuc va ((thanh vi) OR (thanh va)) cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach tu tang xa hoi. hieu ((van nam) OR (van lam)) xuc va ((thanh vi) OR (thanh va)) cuu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sach tu tang xa hoi. hieu ((van nam) or (van lam)) xuc va ((thanh vi) OR (thanh va)) cuu tre".
• Adding a wildcard symbol may retrieve word variants: vu sach tu tang xa hoi. hieu ((van nam) or (van lam)) xuc va ((thanh vi) OR (thanh va)) cuu tre*.