Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"va trinh toan slippery" » "va tinh toan slippery", "va thanh toan slippery", "va trinh han slippery", "van trinh toan slippery", "lap trinh toan slippery", "va trinh toan slippers"
"using java java snippets" » "using data java snippets"

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: (((("va trinh toan slippery") OR ("using java java snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( va trinh toan slippery ) or ( using java java snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("va trinh toan slippery") or ("using java java snippets"))) or ("locating bug core snippets"))*.