Perhaps you should try some spelling variations:
chat luc » chat xuc, chat lua, nhan luc
van hanh » van thanh, ban hanh, van anh
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
ve chat » va chat, van chat
cua tre » cua te, cuu tre, cua triet
tu van » tu va
va dan » ca dan, va dau, va dap
va dao » ca dao

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu van ky nang xa hoi. hieu ve chat luc ((van hanh) or (((va dan) OR (va dao)))) dai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu van ky nang xa hoi. hieu ve chat luc ((van hanh) OR (((va dan) OR (va dao)))) dai cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu van ky nang xa hoi. hieu ve chat luc ((van hanh) or (((va dan) OR (va dao)))) dai cua tre*".