Perhaps you should try some spelling variations:
dung tri » dung tai, dung tren, dung sai
cua tre » cua te, cuu tre, cua triet
va chat » van chat, va phat, cao chat
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
va dung » van dung, va duong, vat dung
va cham » va tham
tuc va » thuc va, truc va, tuc xa
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
va cam » va cac, va cao, va cai

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 lang xa hoi. hieu ((va cam) or (((va cham) or (va chat)))) tuc va dung tri cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky lang xa hoi. hieu ((va cam) OR (((va cham) OR (va chat)))) tuc va dung tri cua tre.
• Adding a wildcard symbol may retrieve word variants: tu sac ky lang xa hoi. hieu ((va cam) or (((va cham) or (va chat)))) tuc va dung tri cua tre*.