Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"using java java snippets" » "using data java snippets"
"van sung a slippery" » "van dung a slippery", "van hung a slippery", "van duong a slippery", "van sung nam slippery", "van sung cua slippery", "van sung hai slippery", "van sung a slippers"

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

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