Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dung giai ve snippets" » "duong giai ve snippets", "dung giao ve snippets", "dung giam ve snippets", "dung gian ve snippets", "dung gia ve snippets", "dung giai ke 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: (((("dung giai ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung giai ve snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung giai ve snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung giai ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.