Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dung danh cat snippets" » "dung danh code snippets", "dung doanh cat snippets", "dung dan cat snippets", "dung dang cat snippets", "dung danh bat snippets", "dung danh ca snippets", "dung hanh cat snippets"
"hang java java snippets" » "hang 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: (((("dung danh cat snippets") or ("hang java java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung danh cat snippets") OR ("hang java java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dung danh cat snippets ) or ( hang java java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung danh cat snippets") or ("hang java java snippets"))) or ("locating bug core snippets"))*.