Perhaps you should try some spelling variations:
hieu van » thien van, lieu va, hieu ve
cuu tre » cau tren, cau treo
va tinh » may tinh
cua tre » cua te, cua triet, dua tren
tinh vi » trinh vi, tinh voi, tinh va
nam xuc » cam xuc, nam xua, nam thuc
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
bai ky » ban ky, sai ky, bac ky
xuc va » duc va, tuc va, luc va
te bai » te bao, te tai, te ban

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

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