Perhaps you should try some spelling variations:
"dang bot cong snippets" » "dang bot code snippets", "dang do cong snippets", "dang vat cong snippets", "dang xet cong snippets", "dang bo cong snippets", "dang mot cong snippets", "dang bat cong 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 ("dang bot cong snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dang java java snippets") OR ("dang bot cong snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dang java java snippets ) or ( dang bot cong snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dang java java snippets") or ("dang bot cong snippets"))) or ("locating bug core snippets"))*.