Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
thanh va » thanh van, thanh ha, thanh ve
bach ky » bac ky
nang xa » nang x, lang xa, nang ma
van cau » van dau, van hau, van chat
cau luc » cau truc, cau phuc
hanh va » hang va, hanh vi
cua tre » cua te, cuu tre, cua triet
luc va » duc va, tuc va, loc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu bach ky nang xa hoi. hieu van cau luc va ((thanh va) OR (hanh va)) cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu bach ky nang xa hoi. hieu van cau luc va ((thanh va) OR (hanh va)) cua tre".
• Adding a wildcard symbol may retrieve word variants: vu bach ky nang xa hoi. hieu van cau luc va ((thanh va) OR (hanh va)) cua tre*.