Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doc tich hop snippets" » "doc tinh hop snippets", "doi tich hop snippets", "hoc tich hop snippets", "doc tich hoat snippets", "doc tich so snippets", "doc dich hoc 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: (((("doc tich hop snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("doc tich hop snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doc tich hop snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doc tich hop snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.