Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cach nu doc snippets" » "cach tu doc snippets", "cach su doc snippets", "cac nu doc snippets", "cach n1 doc snippets", "cach n2 doc snippets", "cach n3 doc 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: (((("cach nu doc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cach nu doc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cach nu doc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cach nu doc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.