Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dap phap doc snippets" » "danh phap doc snippets", "ban phap doc snippets", "va phap doc snippets", "dap phap hoc snippets", "dap phap coc snippets", "dap phap dot 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 phap doc 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 phap doc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dap phap doc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dap phap doc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.