Perhaps you should try some spelling variations:
"khanh linh a snippets" » "khanh vinh a snippets", "thanh binh a snippets", "khang sinh a snippets", "khanh linh nga snippets", "khanh linh cao snippets", "khanh linh dan snippets", "khanh linh a slippers"
"python using java snippets" » "python using data snippets", "python using java 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: (((("khanh linh a snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khanh linh a snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khanh linh a snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khanh linh a snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.