Perhaps you should try some spelling variations:
thien van » thi van
hanh vai » hanh va, hanh tai, hanh van
van phan » van phong, van thanh, luan phan
phan duc » pham duc, phan tu, phan dau
cua tre » cua te, cua triet, dua tren
cuu tre » cau tren, cau treo
duc van » duc va, duc tan, duc manh
nang xa » nang x, lang xa, nang ma
bai ky » ban ky, sai ky, bac ky
tu bai » tu ban, tu bat, te bai

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu bai ky nang xa hoi. thien van phan duc van ((hanh vai) OR (hanh vi)) ((cua tre) or (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu bai ky nang xa hoi. thien van phan duc van ((hanh vai) OR (hanh vi)) ((cua tre) OR (cuu tre)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu bai ky nang xa hoi. thien van phan duc van ((hanh vai) OR (hanh vi)) ((cua tre) or (cuu tre))".
• Adding a wildcard symbol may retrieve word variants: tu bai ky nang xa hoi. thien van phan duc van ((hanh vai) OR (hanh vi)) ((cua tre) or (cuu tre))*.