Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cuu thi doan snippets" » "cuu thai doan snippets", "cuu thi hoan snippets", "cuu thi loan snippets", "cau thi doan snippets", "luu thi doan snippets", "chu thi doan 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 doan 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 doan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cuu thi doan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cuu thi doan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.