Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cuu tong du snippets" » "cuu cong du snippets", "cuu long du snippets", "cuu tinh du snippets", "cuu tang du snippets", "cuu ton du snippets", "cuu mong du 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 tong du 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 tong du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cuu tong du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cuu tong du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.