Perhaps you should try some spelling variations:
"cuong cac chat snippets" » "cuong cac code snippets", "luong cac chat snippets", "cong cac chat snippets", "trong cac chat snippets", "cuong cao chat snippets", "cuong cac thuat snippets", "cuong cac nha snippets"
"locating bug core snippets" » "locating bug code snippets"
"dang java java snippets" » "dang va java 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: (((("dang java java snippets") or ("cuong cac chat snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dang java java snippets") OR ("cuong cac chat snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dang java java snippets ) or ( cuong cac chat snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dang java java snippets") or ("cuong cac chat snippets"))) or ("locating bug core snippets"))*.