Perhaps you should try some spelling variations:
"duong java java snippets" » "duong va java snippets"
"long cua code slippers" » "luong cua code slippers", "cong cua code slippers", "dong cua code slippers", "long cua cong slippers", "long cua co slippers", "long cfd code 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 ("long cua 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 ("long cua code slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( duong java java snippets ) or ( long cua code slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duong java java snippets") or ("long cua code slippers"))) or ("locating bug code snippets"))*.