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