Talvez deva tentar algumas variações de ortografia:
competencies central » competencia central (Expandir a busca), competencies general (Expandir a busca), competencies mental (Expandir a busca)
and competencies » and competences (Expandir a busca), and competence (Expandir a busca), of competencies (Expandir a busca)
central program » dental program (Expandir a busca), centro program (Expandir a busca), cultural program (Expandir a busca)
casting method » costing method (Expandir a busca), costing methods (Expandir a busca), testing methods (Expandir a busca)
using casting » using resting (Expandir a busca), using cutting (Expandir a busca), using coating (Expandir a busca)
method python » method method (Expandir a busca), python python (Expandir a busca)
poder and » poder anti (Expandir a busca), poder brando (Expandir a busca), poder blando (Expandir a busca)

Você pode obter mais resultados ajustando o argumento de busca.

• Caso esteja tentando utilizar os operadores booleanos, deve escrevê-los em Letras MAIÚSCULAS: (( poder AND competencies central program ) OR ( using casting method python programming ))~.
• As palavras AND, OR e NOT pode ocasionar problemas na busca; tente utilizar as aspas: "(( poder and competencies central program ) OR ( using casting method python programming ))~".
• Adicionar um caractere curinga pode recuperar variações da palavra buscada: (( poder and competencies central program ) OR ( using casting method python programming ))*.