Perhaps you should try some spelling variations:
"khang using java snippets" » "khang sinh java snippets", "khang using data snippets"
"dang hai code snippets" » "dang khai code snippets", "hang hai code snippets", "dung hai code snippets", "dang hai con snippets"
"locating bug code slippers" » "locating bung code slippers", "locating bugs code slippers"

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: (((("khang using java snippets") or ("dang hai code snippets"))) or ("locating bug code slippers"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khang using java snippets") OR ("dang hai code snippets"))) OR ("locating bug code slippers")).
• Removing quotes may allow a broader search: (((( khang using java snippets ) or ( dang hai code snippets ))) or ( locating bug code slippers )).
• Adding a wildcard symbol may retrieve word variants: (((("khang using java snippets") or ("dang hai code snippets"))) or ("locating bug code slippers"))*.