Is there a word or phrase that means someone doesn't see the obvious, and if so what is it.

!drag the tiles to the correct boxes to complete the pairs. match each type of letter to its correct description. tiles: letter of interest cover letter follow-up letter you letter which of these tiles above go with which sentences below? send it to favorably influence employers’ decision on hiring you state how you meet the job requirements send 3-5 days after submitting your application or résumé express your desire to work for a particular company