Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hat hoc do snippets" » "chat hoc do snippets", "vat hoc do snippets", "thai hoc do snippets", "hat hoc doi snippets", "hat hoc co snippets", "hat hoc bo 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: (((("hat hoc do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hat hoc do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hat hoc do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hat hoc do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.