Perhaps you should try some spelling variations:
va thanh » gia thanh, ban thanh, va tinh
thanh vi » hanh vi, thanh va, thanh ve
cua tre » cua te, cua triet, dua tren
cuu tre » cau tren, cau treo
ve cham » va cham, ve chat, vu cham
nang ma » tang ma, sang ma, nang cao
truc va » thuc va, thuc vat, trung va
tu cao » cu cao, tu cac, vu cao
ma hoi » mai hoi, xa hoi, ma hoa
ve cac » va cac, vien cac

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

• If you are trying to use Boolean operators, they must be ALL CAPS: tu cao ky nang ma hoi. hieu ((ve cham) OR (ve cac)) truc va thanh vi ((cuu tre) OR (cua tre))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu cao ky nang ma hoi. hieu ((ve cham) or (ve cac)) truc va thanh vi ((cuu tre) OR (cua tre))~".
• Adding a wildcard symbol may retrieve word variants: tu cao ky nang ma hoi. hieu ((ve cham) or (ve cac)) truc va thanh vi ((cuu tre) OR (cua tre))*.