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