Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ngoc muc cac snippets" » "ngoc duc cac snippets", "ngoc tu cac snippets", "ngoc hue cac snippets", "ngoc tuc cac snippets", "ngoc duoc cac 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: (((("ngoc muc cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ngoc muc cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ngoc muc cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ngoc muc cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.