Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doi dan le snippets" » "hoi dan le snippets", "doi ban le snippets", "doi dau le snippets", "doi van le snippets", "doi dan ve 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: (((("doi dan le snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("doi dan le snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doi dan le snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi dan le snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.