Perhaps you should try some spelling variations:
thu xang » thu hang, thu bang, thu dang
ban tinh » ban thanh, quan tinh, ban hanh
sach thu » sach thue, sach thieu, sach tham
tu sach » thu sach, su sach, te sach
vu kham » vu khanh
tinh vi » trinh vi, tinh voi, tinh va
cac ban » cac dan, cac van, can ban
cua tre » cua te, cuu tre, cua triet
vu cham » va cham, tu cham, qua cham
ve cham » va cham, ve chat, ve chim
xang xa » lang xa, mang xa, ang xa
vi cua » vai cua, di cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach thu xang xa hoi. hieu ((ve cham) or (((vu cham) OR (vu kham)))) cac ban tinh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach thu xang xa hoi. hieu ((ve cham) OR (((vu cham) OR (vu kham)))) cac ban tinh vi cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach thu xang xa hoi. hieu ((ve cham) or (((vu cham) OR (vu kham)))) cac ban tinh vi cua tre".
• Adding a wildcard symbol may retrieve word variants: tu sach thu xang xa hoi. hieu ((ve cham) or (((vu cham) OR (vu kham)))) cac ban tinh vi cua tre*.