Perhaps you should try some spelling variations:
"n trinh cong snippets" » "n trinh code snippets", "n trinh dung snippets", "p trinh cong snippets", "anh trinh cong snippets", "dan trinh cong snippets"
"locating bug code slippers" » "locating bug code snippets", "locating bung code slippers", "locating bugs code slippers"
"python using java slippery" » "python using data slippery"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("n trinh cong snippets") or ("python using java slippery"))) or ("locating bug code slippers"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("n trinh cong snippets") OR ("python using java slippery"))) OR ("locating bug code slippers")).
• Removing quotes may allow a broader search: (((( n trinh cong snippets ) or ( python using java slippery ))) or ( locating bug code slippers )).
• Adding a wildcard symbol may retrieve word variants: (((("n trinh cong snippets") or ("python using java slippery"))) or ("locating bug code slippers"))*.