Perhaps you should try some spelling variations:
van chat » cao chat
su sach » so sach, vu sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
ve chat » va chat
vuc van » duc van, thuc van, chuc van
luc van » luoc van, luu van, duc van
han tai » hang tai, nhan tai, van tai
tai va » thai va, mai va, tri va
thiet » thieu

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 chat) OR (van chat)) ((vuc van) OR (luc van)) han tai va thiet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ky nang xa hoi. hieu ((ve chat) or (van chat)) ((vuc van) OR (luc van)) han tai va thiet~".
• Adding a wildcard symbol may retrieve word variants: su sach ky nang xa hoi. hieu ((ve chat) or (van chat)) ((vuc van) OR (luc van)) han tai va thiet*.