Perhaps you should try some spelling variations:
cham luc » cham soc, nhan luc, cham cuu
va thanh » gia thanh, ban thanh, va tinh
dieu cua » dieu tra
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
va dinh » van dinh, va kinh, va tinh
cua tre » cua te, cuu tre, cua triet

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 x ho. hieu ve cham luc ((va thanh) or (va dinh)) dieu cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: cu cao ky nang x ho. hieu ve cham luc ((va thanh) OR (va dinh)) dieu cua tre.
• Adding a wildcard symbol may retrieve word variants: cu cao ky nang x ho. hieu ve cham luc ((va thanh) or (va dinh)) dieu cua tre*.