Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"moi dang toc snippets" » "hoi dang toc snippets", "moi dan toc snippets", "moi sang toc snippets", "moi dang thuoc snippets", "moi dang quoc 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 dang 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 dang toc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( moi dang toc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("moi dang toc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.