Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dung co ton snippets" » "dung cho ton snippets", "dung cong ton snippets", "dung cua ton snippets", "dung co tong snippets", "dung co don snippets", "dung co lon 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 co ton 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 co ton snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung co ton snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung co ton snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.