Perhaps you should try some spelling variations:
"nhanh cong a snippets" » "nhanh chong a snippets", "thanh cong a snippets", "nganh cong a snippets", "nhanh cong ha snippets", "nhanh cong va snippets", "nhanh cong ma snippets", "nhanh cong 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: (((("nhanh cong 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: (((("nhanh cong a snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhanh cong a snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhanh cong a snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.