Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dap chinh do snippets" » "dang chinh do snippets", "tai chinh do snippets", "va chinh do snippets", "dap chinh so snippets", "dap chinh du snippets", "dap chinh cho 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 chinh do 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 chinh do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dap chinh do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dap chinh do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.