Perhaps you should try some spelling variations:
"dang java java snippets" » "dang va java snippets"
"dung hon tao slippers" » "dung hong tao slippers", "dung hoc tao slippers", "dung con tao slippers", "dung chon tao slippers", "dung nhan tao slippers", "dung khon tai slippers", "dung hon tao slippery", "dung hon tao grippers"
"locating bug code snippets" » "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: (((("dang java java snippets") or ("dung hon tao slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dang java java snippets") OR ("dung hon tao slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dang java java snippets ) or ( dung hon tao slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dang java java snippets") or ("dung hon tao slippers"))) or ("locating bug code snippets"))*.