Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dap tan chat snippets" » "dap van chat snippets", "dap tao chat snippets", "dap ban chat snippets", "dac tan chat snippets", "dai tan chat snippets", "tap toan 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: (((("dap tan 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: (((("dap tan chat snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dap tan chat snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dap tan chat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.