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