Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hat ve doi snippets" » "nhat ve doi snippets", "hat vi doi snippets", "hat va doi snippets", "hat te doi snippets", "hat ve do 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 ve doi 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 ve doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hat ve doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hat ve doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.