Perhaps you should try some spelling variations:
sach cao » sach dao, sach cap, mach cao
cao nang » cao dang, cam nang, cao tang
dien cua » dieu cua, dien cuc, dien cu
te sach » toc sach
va hanh » van hanh, va thanh, ban hanh
va danh » va dinh, va dan, dia danh
vu cham » va cham, vu kham, tu cham
ve cham » va cham, ve chat, ve chim
nang xa » nang x, lang xa, nang ma
cua tre » cua te, cuu tre, cua triet

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach cao nang xa hoi. hieu ((ve cham) or (vu cham)) hoc ((va danh) OR (va hanh)) dien cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach cao nang xa hoi. hieu ((ve cham) OR (vu cham)) hoc ((va danh) OR (va hanh)) dien cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach cao nang xa hoi. hieu ((ve cham) or (vu cham)) hoc ((va danh) OR (va hanh)) dien cua tre*".