Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chung co de snippets" » "chung cho de snippets", "chung cu de snippets", "chong co de snippets", "chung cao de snippets", "chung bo de snippets", "chung co do 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: (((("chung co de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chung co de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chung co de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chung co de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.