Perhaps you should try some spelling variations:
"cong chuc hach snippets" » "cong thuc hach snippets", "cong cu hach snippets", "cong cua hach snippets", "cong chuc hanh snippets", "cong thuc hanh snippets", "cong chuc danh snippets", "cong chuc hach 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 chuc hach 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 chuc hach snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong chuc hach snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong chuc hach snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.