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