Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luat hop chi snippets" » "luat hoi chi snippets", "luat phap chi snippets", "luat so chi snippets", "luat ho chi 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: (((("luat hop chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("luat hop chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luat hop chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luat hop chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.