Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dung chung co snippets" » "dung chung code snippets", "dung cong co snippets", "dung trung co snippets", "truong chung co snippets", "dung chung cho snippets", "dung chung cu snippets", "dung chong co 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 ("dung chung co snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dang java java snippets") OR ("dung chung co snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dang java java snippets ) or ( dung chung co snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dang java java snippets") or ("dung chung co snippets"))) or ("locating bug core snippets"))*.