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