Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dong dan thi slippers" » "dong danh thi slippers", "duong dan thi slippers", "dong san thi slippers", "dong dang thi slippers", "dong tran thi slippers", "dong dinh thi slippers", "dong dan thi slippery", "dong dan thi 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: (((("dong dan thi slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dong dan thi slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong dan thi slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong dan thi slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.