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