Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dap xuat cua snippets" » "dap luat cua snippets", "san xuat cua snippets", "de xuat cua snippets", "dap xuat va snippets", "dap nhat cua snippets", "dap xuat bia 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 xuat cua 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 xuat cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dap xuat cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dap xuat cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.