Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dap su cao snippets" » "dan su cao snippets", "da su cao snippets", "dap so cao snippets", "dap cu cao snippets", "dap vu cao snippets", "dap su co 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 su cao 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 su cao snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dap su cao snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dap su cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.