Perhaps you should try some spelling variations:
"using java java snippets" » "using data java snippets", "using java java slippers"
"vi minh danh slippery" » "vi sinh danh slippery", "vi tinh danh slippery", "vu minh danh slippery", "vi minh doanh slippery", "vi minh dan slippery", "vi minh dinh slippery", "vi minh danh slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core 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: (((("vi minh danh slippery") OR ("using java java snippets"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( vi minh danh slippery ) or ( using java java snippets ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("vi minh danh slippery") or ("using java java snippets"))) or ("locating bug code snippets"))*.