Perhaps you should try some spelling variations:
"locating bugs code slippers" » "locating bug code slippers"
"luong java java snippets" » "luong va java snippets"
"dan dung code snippets" » "dan dung cong snippets", "dan dung co snippets", "dan dung de snippets", "van dung code snippets", "tin dung code snippets", "ap dung 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: (((("dan dung code snippets") or ("luong java java snippets"))) or ("locating bugs code slippers"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dan dung code snippets") OR ("luong java java snippets"))) OR ("locating bugs code slippers")).
• Removing quotes may allow a broader search: (((( dan dung code snippets ) or ( luong java java snippets ))) or ( locating bugs code slippers )).
• Adding a wildcard symbol may retrieve word variants: (((("dan dung code snippets") or ("luong java java snippets"))) or ("locating bugs code slippers"))*.