Perhaps you should try some spelling variations:
thanh van » thanh san, thanh toan, thanh phan
thanh va » hanh va, thanh ha, thanh ve
vu sach » vu bach, su sach, vu khach
cua tre » cua te, cuu tre, cua triet
sach ky » sac ky, sach y, sach ty
lang xa » lang ha, dang xay, lang van
ky lang » ky nang, ky dang, ky tang
luc va » duc va, tuc va, loc va
ve coc » ve cuoc, ve co
ve cac » va cac, vien cac

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 ky lang xa hoi. hieu ((ve coc) OR (ve cac)) luc va ((thanh va) or (thanh van)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach ky lang xa hoi. hieu ((ve coc) OR (ve cac)) luc va ((thanh va) OR (thanh van)) cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sach ky lang xa hoi. hieu ((ve coc) OR (ve cac)) luc va ((thanh va) or (thanh van)) cua tre".
• Adding a wildcard symbol may retrieve word variants: vu sach ky lang xa hoi. hieu ((ve coc) OR (ve cac)) luc va ((thanh va) or (thanh van)) cua tre*.