Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nao le cung snippets" » "nao le quang snippets", "nao le trung snippets", "nao de cung snippets", "dao le cung snippets", "hao le cung 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: (((("nao le cung snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nao le cung snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nao le cung snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nao le cung snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.