Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lap dan son snippets" » "lap dat son snippets", "lap ban son snippets", "hap dan son snippets", "lap dang son snippets", "lap van son snippets", "lap dai son 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: (((("lap dan son snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lap dan son snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lap dan son snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lap dan son snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.