Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cac cot chat snippets" » "cac cot hat snippets", "cac cong chat snippets", "cac hoat chat snippets", "cac co chat snippets", "cac chat 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: (((("cac cot 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: (((("cac cot chat snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cac cot chat snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cac cot chat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.