Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cach vi chat snippets" » "cac vi chat snippets", "mach vi chat snippets", "cach viet chat snippets", "cach voi chat snippets", "cach va chat snippets", "cach ve chat 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 vi chat 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 vi chat snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cach vi chat snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cach vi chat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.