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