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