Perhaps you should try some spelling variations:
"ngon vuong phi snippets" » "ngon vung phi snippets", "ngoc huong phi snippets", "ngoc cuong phi snippets", "ngon vuong thi snippets", "ngon vuong phu snippets", "ngon vuong chi snippets", "ngon vuong phi slippers"
"python using a snippets" » "python using a slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("ngon vuong phi snippets") or ("python using a snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ngon vuong phi snippets") OR ("python using a snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ngon vuong phi snippets ) or ( python using a snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ngon vuong phi snippets") or ("python using a snippets"))) or ("locating bug code snippets"))*.