Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dap dan hoi snippets" » "dao dan hoi snippets", "dap tan hoi snippets", "day dan hoi snippets", "dap dan hoc snippets", "dap dai hoi snippets", "dap dang khoi 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 dan hoi 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 dan hoi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dap dan hoi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dap dan hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.