Perhaps you should try some spelling variations:
"locating bug code slippers" » "locating bug code snippets", "locating bung code slippers", "locating bugs code slippers"
"dusing java java snippets" » "using java java snippets"
"khoi can java snippets" » "khoa can java snippets", "khoi nang java snippets", "hoc can java snippets", "khoi can va 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: (((("khoi can java snippets") or ("dusing java java snippets"))) or ("locating bug code slippers"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khoi can java snippets") OR ("dusing java java snippets"))) OR ("locating bug code slippers")).
• Removing quotes may allow a broader search: (((( khoi can java snippets ) or ( dusing java java snippets ))) or ( locating bug code slippers )).
• Adding a wildcard symbol may retrieve word variants: (((("khoi can java snippets") or ("dusing java java snippets"))) or ("locating bug code slippers"))*.