Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phan mo cuu snippets" » "phap mo cuu snippets", "phan bo cuu snippets", "phan co cuu snippets", "phan ho cuu snippets", "phan mo cua snippets", "phan so cuu snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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: (((("phan mo cuu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phan mo cuu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phan mo cuu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phan mo cuu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.