Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hon gap do snippets" » "hon gai do snippets", "con giap do snippets", "hon gap doi snippets", "hon cap do snippets", "hon gap o 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: (((("hon gap 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: (((("hon gap do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hon gap do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hon gap do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.