Perhaps you should try some spelling variations:
hang tai » hang va
su sach » so sach, vu sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
ve cham » va cham, ve chat, vu cham
va chat » van chat, va phat, cao chat
xuc van » duc van, luc van, vuc van
thiet » thieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ky nang xa hoi. hieu ((ve cham) or (va chat)) xuc van ((hang tai) OR (dung tai)) va thiet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky nang xa hoi. hieu ((ve cham) OR (va chat)) xuc van ((hang tai) OR (dung tai)) va thiet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ky nang xa hoi. hieu ((ve cham) or (va chat)) xuc van ((hang tai) OR (dung tai)) va thiet".
• Adding a wildcard symbol may retrieve word variants: su sach ky nang xa hoi. hieu ((ve cham) or (va chat)) xuc van ((hang tai) OR (dung tai)) va thiet*.