Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lam son cho snippets" » "lam san cho snippets", "lam sang cho snippets", "lang son cho snippets", "lam ton cho snippets", "lam con cho 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 son cho 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 son cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lam son cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lam son cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.