Perhaps you should try some spelling variations:
xang cau » xang dau, hang cau, bang cau
tu sach » thu sach, su sach, te sach
hanh va » hang va, hanh vi
danh va » doanh va, anh va, dan va
ve cham » va cham, ve chat, vu cham
sach ty » sach y, sach tu, sach thu
cua tre » cua te, cuu tre, cua triet
ve cai » va cai, ve cac, ve tai

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 ty xang cau hoi. hieu ((ve cai) or (ve cham)) ly va ((danh va) OR (hanh va)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ty xang cau hoi. hieu ((ve cai) OR (ve cham)) ly va ((danh va) OR (hanh va)) cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ty xang cau hoi. hieu ((ve cai) or (ve cham)) ly va ((danh va) OR (hanh va)) cua tre".
• Adding a wildcard symbol may retrieve word variants: tu sach ty xang cau hoi. hieu ((ve cai) or (ve cham)) ly va ((danh va) OR (hanh va)) cua tre*.