Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tao li cong snippets" » "tao bi cong snippets", "tao li song snippets", "tao lieu cong snippets", "dao li cong snippets", "hao li cong snippets", "tao vi cong 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: (((("python using java snippets") or ("tao li cong snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("tao li cong snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( tao li cong snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("tao li cong snippets"))) or ("locating bug code snippets"))*.