Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cong ma de snippets" » "cuong ma de snippets", "cong ha de snippets", "cong va de snippets", "cong mau de snippets", "cong mo de 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: (((("cong ma 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: (((("cong ma de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong ma de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong ma de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.