Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dap don chat snippets" » "dap doc chat snippets", "dap cong chat snippets", "dap dinh chat snippets", "dap mon chat snippets", "tap don chat snippets", "tap doan chat 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 don chat 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 don chat snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dap don chat snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dap don chat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.