In some mobiles the the Letter - Áá, Ââ, Ãã, Àà, Çç, Éé, Êê, Íí, Óó, Ôô, Õõ, Úú. - are not supported, there you can use Normal English ,a, c, e i, o, u, n respectively. Anyhow without minding the word suggestion you can simple put the Portuguese Word and find meaning. For Example For the word terça you can type terça or terca. Both will give you the same result.