Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dung su canh snippets" » "dung cu canh snippets", "dung du canh snippets", "dung so canh snippets", "dung suc canh snippets", "dung su can snippets", "dung su anh 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 su canh 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 su canh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung su canh snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung su canh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.