Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
thien van » thi van
hieu van » hieu va, lieu va, hieu ve
tham coc » kham cuoc, tham nuoc, tham hoa
thanh vi » hanh vi, thanh va, thanh ve
dat tren » dat trong, dua tren
te sach » toc sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
coc ban » co ban, cac ban, hoc ban
vi dat » voi dat, vi dai, va dat

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 ky nang xa hoi. ((hieu van) OR (thien van)) tham coc ban thanh vi dat tren~.
• Adding a wildcard symbol may retrieve word variants: te sach ky nang xa hoi. ((hieu van) or (thien van)) tham coc ban thanh vi dat tren*.