Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"duc long que snippets" » "duc cong que snippets", "duc dong que snippets", "duc hong que snippets", "duc lang que snippets", "duc long qua snippets", "duc thong que 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: (((("duc long que snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("duc long que snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( duc long que snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duc long que snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.