Perhaps you should try some spelling variations:
"dang java java snippets" » "dang va java snippets"
"dung thi thin slippers" » "dung tai thin slippers", "dung tri thin slippers", "dung chi thin slippers", "dung thi thien slippers", "dung thi thinh slippers", "dung thi than slippers", "dung thi thin slippery", "dung thi thin 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 thi thin 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 thi thin slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dang java java snippets ) or ( dung thi thin slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dang java java snippets") or ("dung thi thin slippers"))) or ("locating bug code snippets"))*.