Perhaps you should try some spelling variations:
cham sac » cham soc, pham sach, cap sac
cua viet » ca viet, hoa viet, cua vat
su sach » so sach, vu sach
vu khac » vu kham, vu khanh, bui khac
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
van anh » van thanh, tuan anh
di cua » dai cua, doi cua, de cua

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) OR (vu khac)) ky nang xa hoi. hieu ve cham sac ((van anh) OR (van minh)) di cua viet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su sach) or (vu khac)) ky nang xa hoi. hieu ve cham sac ((van anh) OR (van minh)) di cua viet~".
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (vu khac)) ky nang xa hoi. hieu ve cham sac ((van anh) OR (van minh)) di cua viet*.