Perhaps you should try some spelling variations:
va thuat » ky thuat, ki thuat, va thuc
lang xa » lang ha, dang xay, lang van
va cham » va chat, va tham
va dinh » van dinh, va kinh, va tinh
dinh vi » dinh ve, dinh viet, dinh tri
cua tre » cua te, cuu tre, cua triet
san ky » sang ky, dan ky, ban ky
tuc va » thuc va, truc va, tuc xa
vi cua » vai cua, di cua

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) or (van ky)) lang xa hoi. lieu ((va cham) or (va thuat)) tuc va dinh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((san ky) OR (van ky)) lang xa hoi. lieu ((va cham) OR (va thuat)) tuc va dinh vi cua tre.
• Adding a wildcard symbol may retrieve word variants: tu ((san ky) or (van ky)) lang xa hoi. lieu ((va cham) or (va thuat)) tuc va dinh vi cua tre*.