Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"shan bi cong snippets" » "nhan bi cong snippets", "phan bi cong snippets", "shan li cong snippets", "shan bo cong snippets", "shan tai cong snippets", "shan thi 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 ("shan bi 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 ("shan bi cong snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( shan bi cong snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("shan bi cong snippets"))) or ("locating bug code snippets"))*.