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