Perhaps you should try some spelling variations:
ve cham » va cham, ve chat, ve chim
vu cham » va cham, vu kham, tu cham
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
than va » thanh va, toan va, han va
nhan va » nhan tai, nhan dan, nhan tao
su sach » so sach, vu sach
xuc va » duc va, tuc va, luc va
va ban » van ban, va bai, va bao

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: su sach ky nang xa hoi. hieu ((ve cham) OR (vu cham)) xuc va ban ((than va) OR (nhan va)) thieu~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ky nang xa hoi. hieu ((ve cham) or (vu cham)) xuc va ban ((than va) OR (nhan va)) thieu~".
• Adding a wildcard symbol may retrieve word variants: su sach ky nang xa hoi. hieu ((ve cham) or (vu cham)) xuc va ban ((than va) OR (nhan va)) thieu*.