Perhaps you should try some spelling variations:
lky nang » ly nang, ki nang, ke nang
ve chat » va chat, van chat
danh vi » hanh vi, dinh vi, danh di
te sach » toc sach
hieu ve » hieu va, hieu van
cua tre » cua te, cuu tre, cua triet
huu va » tuu va
cuu va » cuu van, cuu ve
vi cua » vai cua, di cua

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

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