Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"mat dan cach snippets" » "mat dan code snippets", "mat dan cac snippets", "mat dan canh snippets", "mat nhan cach snippets", "hat dan cach snippets", "luat dan cach snippets", "mat bang cach snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("mat dan cach snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("mat dan cach snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( mat dan cach snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("mat dan cach snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.