Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhin ve che snippets" » "nhin viet che snippets", "nhien va che snippets", "nhin va che snippets", "nhin ke che snippets", "nhin de che 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: (((("nhin ve che snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhin ve che snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhin ve che snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhin ve che snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.