Perhaps you should try some spelling variations:
"duong java java snippets" » "duong va java snippets"
"dong chi code slippers" » "dong cho code slippers", "dong thi code slippers", "dung chi code slippers", "dong cfd code slippers", "dong chi con slippers", "dong chi cong slippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code 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 java java snippets") or ("dong chi code slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("duong java java snippets") OR ("dong chi code slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( duong java java snippets ) or ( dong chi code slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duong java java snippets") or ("dong chi code slippers"))) or ("locating bug code snippets"))*.