Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lam cho con snippets" » "lam chu con snippets", "lai cho con snippets", "lam co con snippets", "lam cho cong snippets", "lam cho lon snippets", "lam cho can 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 cho con 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 cho con snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lam cho con snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lam cho con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.