Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luc chua che snippets" » "luc cua che snippets", "truc chua che snippets", "sua chua che snippets", "luc thuat che snippets", "luc chua chay 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: (((("luc chua che snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("luc chua che snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luc chua che snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luc chua che snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.