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, va danh
va dauh » va danh, va doanh
cua tre » cua te, cuu tre, cua triet
va dau » va dao
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 dauh) or (va dau)))) 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 dauh) OR (va dau)))) 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 dauh) or (va dau)))) di cua tre*.