Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cot phap dot snippets" » "cot thep dot snippets", "hoc phap dot snippets", "dot pha dot snippets", "cot phap doc snippets", "cot phap dong snippets", "cot phap luot 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: (((("cot phap dot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cot phap dot snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cot phap dot snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cot phap dot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.