Perhaps you should try some spelling variations:
xang dau » hang dau
nang dau » hang dau, nang du, nang cao
truc va » thuc va, thuc vat, trung va
tu sach » thu sach, su sach, te sach
nang xa » nang x, lang xa, nang ma
va cam » va cham, va cac, va cao
y nang » ky nang, ly nang, v nang
ve cai » va cai, ve cac, ve tai
cua te » cua tu

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

• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y nang xa hoi. hieu ((ve cai) OR (va cam)) truc va ((nang dau) OR (xang dau)) cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach y nang xa hoi. hieu ((ve cai) or (va cam)) truc va ((nang dau) OR (xang dau)) cua te~".
• Adding a wildcard symbol may retrieve word variants: tu sach y nang xa hoi. hieu ((ve cai) or (va cam)) truc va ((nang dau) OR (xang dau)) cua te*.