Perhaps you should try some spelling variations:
cuu tre » cau tren, cau treo
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
hieu ve » hieu va, hieu van
cua tre » cua te, cua triet, dua tren
tuc va » thuc va, truc va, tuc xa
tu san » thu san, tu ban, tu can
san ky » sang ky, van ky, dan ky
xuc va » duc va, luc va, xac va
ve cam » ve cham, ve cac, va cam

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu san ky lang xa hoi. hieu ve cam ((xuc va) or (tuc va)) hanh vi ((cua tre) or (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu san ky lang xa hoi. hieu ve cam ((xuc va) OR (tuc va)) hanh vi ((cua tre) OR (cuu tre)).
• Adding a wildcard symbol may retrieve word variants: tu san ky lang xa hoi. hieu ve cam ((xuc va) or (tuc va)) hanh vi ((cua tre) or (cuu tre))*.