Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"using java java snippets" » "using data java snippets"
"vi trinh luat slippery" » "vi tinh luat slippery", "va trinh luat slippery", "viet trinh luat slippery", "vi trinh luan slippery", "vi trinh xuat slippery", "vi trinh luat 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 trinh luat slippery") OR ("using java java snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( vi trinh luat slippery ) or ( using java java snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("vi trinh luat slippery") or ("using java java snippets"))) or ("locating bug core snippets"))*.