Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cuu long cho snippets" » "cuu cong cho snippets", "cuu nang cho snippets", "cuu luong cho snippets", "cuu dong cho snippets", "cuu rong cho 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 long cho 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 long cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cuu long cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cuu long cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.