Perhaps you should try some spelling variations:
cham cuu » cap cuu, chat cua
vu cham » va cham, vu kham, tu cham
hieu vu » hieu va, hieu ve, hieu su
nang xa » nang x, lang xa, nang ma
sach v » sach va, sach 2, sach vay
cuu ve » cuu va
dau vi » dau ve, dau va, dau viet
dat vi » dat va, hat vi, dat ve
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: te ((sach v) OR (sach y)) nang xa hoi. hieu vu cham cuu ve ((dau vi) OR (dat vi)) cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te ((sach v) or (sach y)) nang xa hoi. hieu vu cham cuu ve ((dau vi) OR (dat vi)) cua te~".
• Adding a wildcard symbol may retrieve word variants: te ((sach v) or (sach y)) nang xa hoi. hieu vu cham cuu ve ((dau vi) OR (dat vi)) cua te*.