Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"moi sang toc snippets" » "moi dang toc snippets", "buoi sang toc snippets", "doi song toc snippets", "moi sang tac snippets", "moi sang thuoc snippets", "moi dan toc 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: (((("moi sang toc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("moi sang toc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( moi sang toc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("moi sang toc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.