Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"can nam do snippets" » "van nam do snippets", "dan nam do snippets", "ban nam do snippets", "can nam dao snippets", "can nam doi snippets", "can nam 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: (((("can nam 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: (((("can nam do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( can nam do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("can nam do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.