Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cuu thi cong snippets" » "cuu tai cong snippets", "cuu thien cong snippets", "cau thi cong snippets", "luu thi cong snippets", "chu 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: (((("cuu thi cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cuu thi cong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cuu thi cong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cuu thi cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.