Perhaps you should try some spelling variations:
"cong nghe code snippets" » "cong nghe che snippets", "cong nghe co snippets", "cong nghe cong snippets", "cong nghe code slippers"
"hanhg java java snippets" » "hanhg java java slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets"

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

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