Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lam don den snippets" » "lam dong den snippets", "la don den snippets", "lam son den snippets", "lam don dien snippets", "lam dan den snippets", "lam don dep 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: (((("lam don den snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lam don den snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lam don den snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lam don den snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.