Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cach con da snippets" » "cach hoan da snippets", "cac cong da snippets", "cac co da snippets", "cach con day snippets", "cach cong da snippets", "cach can da 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: (((("cach con da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cach con da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cach con da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cach con da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.