Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cuu minh mot snippets" » "cuu tinh mot snippets", "cuu sinh mot snippets", "cua minh mot snippets", "cuu dinh moi snippets", "cuu minh hoa snippets", "cuu minh son 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 minh mot 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 minh mot snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cuu minh mot snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cuu minh mot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.