Perhaps you should try some spelling variations:
"dung dan cong snippets" » "dung dan code snippets", "dung dat cong snippets", "dung san cong snippets", "tung dan cong snippets", "dung dang cong snippets", "dung van cong snippets", "dung dan dong snippets"
"locating bug core snippets" » "locating bug code snippets"
"hanh java java snippets" » "hanh va java snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("hanh java java snippets") or ("dung dan cong snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hanh java java snippets") OR ("dung dan cong snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( hanh java java snippets ) or ( dung dan cong snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hanh java java snippets") or ("dung dan cong snippets"))) or ("locating bug core snippets"))*.