Perhaps you should try some spelling variations:
phan tai » pham tai, nhan tai, phan thi
cuu tre » cau tren, cau treo
va phan » van phan, va phat, va phap
cua tre » cua te, cua triet, dua tren
ky tang » ky nang, ky dang, kho tang
tang xa » trang xa, tang ma, lang xa
hieu va » lieu va, hieu qua
va cam » va cham, va cac, va cao
xuc va » duc va, tuc va, luc va
tu san » thu san, tu ban, tu can

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu cac) or (tu san)) ky tang xa hoi. hieu va cam xuc va phan tai ((cua tre) OR (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu cac) OR (tu san)) ky tang xa hoi. hieu va cam xuc va phan tai ((cua tre) OR (cuu tre)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu cac) or (tu san)) ky tang xa hoi. hieu va cam xuc va phan tai ((cua tre) OR (cuu tre))".
• Adding a wildcard symbol may retrieve word variants: ((tu cac) or (tu san)) ky tang xa hoi. hieu va cam xuc va phan tai ((cua tre) OR (cuu tre))*.