Perhaps you should try some spelling variations:
ban trinh » ban tinh, dan trinh, van trinh
tu sach » thu sach, su sach, te sach
vai cua » dai cua, hai cua, lai cua
cuc ban » cua ban, cac ban, cuu ban
tu cham » toc cham, thi cham
ve cham » va cham, ve chat, vu cham
dang xa » dang xay, lang xa, dang ha
y dang » ky dang, 2 dang, _ dang
vi 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 y dang xa hoi. hieu ((ve cham) or (tu cham)) cuc ban trinh ((vi cua) OR (vai cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y dang xa hoi. hieu ((ve cham) OR (tu cham)) cuc ban trinh ((vi cua) OR (vai cua)) tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach y dang xa hoi. hieu ((ve cham) or (tu cham)) cuc ban trinh ((vi cua) OR (vai cua)) tre".
• Adding a wildcard symbol may retrieve word variants: tu sach y dang xa hoi. hieu ((ve cham) or (tu cham)) cuc ban trinh ((vi cua) OR (vai cua)) tre*.