Perhaps you should try some spelling variations:
"khang using data slippers" » "khang sinh data slippers", "khang using java slippers", "khang using sat slippers", "khang missing data slippers", "khang using data slippery", "khang using data grippers"
"ngu java java snippets" » "ngu va java snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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: (((("khang using data slippers") or ("ngu java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khang using data slippers") OR ("ngu java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khang using data slippers ) or ( ngu java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khang using data slippers") or ("ngu java java snippets"))) or ("locating bug code snippets"))*.