Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"using java java snippets" » "using data java snippets"
"vi hanh cua slippery" » "vi manh cua slippery", "vi hang cua slippery", "vi hanh sua slippery", "vi thanh cua slippery", "va hanh cua slippery", "ve hanh cua slippery", "vi hanh cua 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: (((("vi hanh cua slippery") OR ("using java java snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( vi hanh cua slippery ) or ( using java java snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("vi hanh cua slippery") or ("using java java snippets"))) or ("locating bug core snippets"))*.