Perhaps you should try some spelling variations:
phieu phan » lieu phan, hieu pham, hieu phap
dat luan » dan luan, dat quang, bai luan
dau luan » dan luan, khau luan, dau quang
thu hai » thu ha, thu nhap, thu hang
nang xa » nang x, lang xa, nang ma
va hanh » van hanh, va thanh, va danh
cua tre » cua te, cuu tre, cua triet
hai ky » thai ky, hoi ky, hai ly
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: thu hai ky nang xa hoi. phieu phan ((dat luan) or (dau luan)) va hanh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu hai ky nang xa hoi. phieu phan ((dat luan) OR (dau luan)) va hanh vi cua tre.
• Adding a wildcard symbol may retrieve word variants: thu hai ky nang xa hoi. phieu phan ((dat luan) or (dau luan)) va hanh vi cua tre*.