Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lam han lon snippets" » "lam nhan lon snippets", "lam san lon snippets", "lam ha lon snippets", "lam han tong snippets", "lam hai long snippets", "lam phan lan 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 han lon 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 han lon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lam han lon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lam han lon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.