Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"duong ma robot slippers" » "duong va robot slippers", "cuong ma robot slippers", "duong manh robot slippers", "duong a robot slippers", "duong tao robot slippers", "duong tay robot slippers", "duong ma robot slippery", "duong ma robot 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: (((("duong ma robot slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("duong ma robot slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( duong ma robot slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duong ma robot slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.