Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dap va loai snippets" » "dap va loi snippets", "dap va lai snippets", "dap ve loai snippets", "tap va loai snippets", "day va loai 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 va loai 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 va loai snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dap va loai snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dap va loai snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.