Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lap duc dong snippets" » "lap duoc dong snippets", "lap duc dung snippets", "lap duc cong snippets", "lap du dong snippets", "lap doc dong snippets", "giap duc dong 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 duc dong 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 duc dong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lap duc dong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lap duc dong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.