Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luc tam chat snippets" » "luc tao chat snippets", "luc tam phat snippets", "luc dam chat snippets", "luc tai chat snippets", "luc lam chat snippets", "luat tam chat 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 tam chat 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 tam chat snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luc tam chat snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luc tam chat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.