Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, hieu ve
nang xa » nang x, lang xa, nang ma
lam xuc » cam xuc, lam duoc
va tinh » may tinh
tinh vi » trinh vi, tinh voi, tinh va
cua tre » cuu tre, cua triet, dua tren
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
xuc va » duc va, tuc va, luc va
cua te » cua tu

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

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