Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cung cua da snippets" » "chung cua da snippets", "dung cua da snippets", "cong cua da snippets", "cung cua dan snippets", "cung cua dai snippets", "cung cua dam 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: (((("cung cua da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cung cua da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cung cua da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cung cua da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.