Perhaps you should try some spelling variations:
dinh kien » linh kien, dinh dien, dinh ket
cham xuc » cam xuc, chat xuc, pham duc
van dinh » van minh, van dich, va dinh
ca tren » cau tren, cu tren, la tren
kien ca » kien ha, kien va, bien ca
hieu ve » hieu va, hieu van
nang ma » tang ma, sang ma, nang cao
dan ky » van ky
tu dan » tuc dan, tu ban, cu dan

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 dan ky ((nang ma) OR (nang x)) hoi. hieu ve ((cham xuc) OR (cham soc)) van dinh kien ca tren~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu dan ky ((nang ma) or (nang x)) hoi. hieu ve ((cham xuc) OR (cham soc)) van dinh kien ca tren~".
• Adding a wildcard symbol may retrieve word variants: tu dan ky ((nang ma) or (nang x)) hoi. hieu ve ((cham xuc) OR (cham soc)) van dinh kien ca tren*.