Perhaps you should try some spelling variations:
cham luc » cham soc, nhan luc, cham cuu
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
va hanh » van hanh, va thanh, ban hanh
va danh » va dinh, dia danh, va thanh
cua tre » cua te, cuu tre, cua triet
va dan » ca dan, va dao, va dau
di cua » dai cua, doi cua, de cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: cu cao ky nang xa hoi. hieu ve cham luc ((va hanh) or (((va danh) OR (va dan)))) di cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: cu cao ky nang xa hoi. hieu ve cham luc ((va hanh) OR (((va danh) OR (va dan)))) di cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "cu cao ky nang xa hoi. hieu ve cham luc ((va hanh) or (((va danh) OR (va dan)))) di cua tre".
• Adding a wildcard symbol may retrieve word variants: cu cao ky nang xa hoi. hieu ve cham luc ((va hanh) or (((va danh) OR (va dan)))) di cua tre*.