Perhaps you should try some spelling variations:
"dung doi doanh snippets" » "dung voi doanh snippets", "dung dong doanh snippets", "dung tri doanh snippets", "huong doi doanh snippets", "dung tai doanh snippets", "dung co doanh snippets", "dung doi doanh slippers"
"hang java java snippets" » "hang va java snippets", "hang java java slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core 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 doi doanh snippets") or ("hang java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung doi doanh snippets") OR ("hang java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung doi doanh snippets ) or ( hang java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung doi doanh snippets") or ("hang java java snippets"))) or ("locating bug code snippets"))*.