Perhaps you should try some spelling variations:
"cong long chain snippets" » "cong jong chan snippets", "cong lang chai snippets", "cong dong chan snippets", "cong luong chain snippets", "cong dong chain snippets", "cong cong chain snippets", "cong long chain slippers"
"dung java java snippets" » "dung va java snippets", "dung java 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: (((("cong long chain snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cong long chain snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong long chain snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong long chain snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.