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