Check this box to show only results that include your original keyword

On Google Keyword Tool. 

(x) Only show ideas closely related to my search terms

Include or exclude words using the "+" or "-" sign: Your results will be updated to include only keyword ideas that contain at least one of the terms you added. 

Use the "Match Types" filter at the left column. 

With Thanks, Andrea Ng

Digital Marketing Consultant

+8 GMT, Singapore