Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dap yan chen snippets" » "dap van chien snippets", "dap dan chan snippets", "dap han che snippets", "dap tan chen snippets", "dap quan chen 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: (((("dap yan chen snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dap yan chen snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dap yan chen snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dap yan chen snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.