Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
tinh vai » tinh va, tinh hai, tinh bai
van lam » van nam
va tinh » may tinh
cua tre » cuu tre, cua triet, dua tren
lang xa » lang ha, dang xay, lang van
lam xuc » cam xuc, lam duoc
xuc va » duc va, tuc va, luc va
xac ky » sac ky, bac ky
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: su ((xac ky) OR (cac ky)) lang xa hoi. hieu van lam xuc va tinh vai ((cua tre) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su ((xac ky) OR (cac ky)) lang xa hoi. hieu van lam xuc va tinh vai ((cua tre) OR (cua te)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "su ((xac ky) OR (cac ky)) lang xa hoi. hieu van lam xuc va tinh vai ((cua tre) or (cua te))".
• Adding a wildcard symbol may retrieve word variants: su ((xac ky) OR (cac ky)) lang xa hoi. hieu van lam xuc va tinh vai ((cua tre) or (cua te))*.