Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cong goi va slippers" » "cong noi va slippers", "cong soi va slippers", "dong goi va slippers", "cong gioi va slippers", "cong ngoi va slippers", "cong hoi va slippers", "cong goi va slippery", "cong goi va grippers"
"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: (((("python using java snippets") or ("cong goi va slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("cong goi va slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( cong goi va slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("cong goi va slippers"))) or ("locating bug code snippets"))*.