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