Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luc cao chan snippets" » "luc cao chat snippets", "luc cam chan snippets", "luc can chan snippets", "luc cho chan snippets", "luc canh chan snippets", "quoc cao chan 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 cao chan 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 cao chan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luc cao chan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luc cao chan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.