Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"using java java snippets" » "using data java snippets"
"khoa can java slippers" » "khoa cam java slippers", "khoa cap java slippers", "khoi can java slippers", "khoa can va slippers", "khoa can java slippery", "khoa can java grippers"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("khoa can java slippers") or ("using java java snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khoa can java slippers") OR ("using java java snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( khoa can java slippers ) or ( using java java snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khoa can java slippers") or ("using java java snippets"))) or ("locating bugs code snippets"))*.