Perhaps you should try some spelling variations:
"using java java snippets" » "using data java snippets", "using java java slippers"
"dan trinh vat slippery" » "dan tinh vat slippery", "van trinh vat slippery", "hanh trinh vat slippery", "dan trinh van slippery", "dan trinh luat slippery", "dan sinh vat slippery", "dan trinh vat 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.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"dan trinh vat slippery\") OR (\"using java java snippets\"))) OR (\"locating bug code snippets\"))~".
• Removing quotes may allow a broader search: (((( dan trinh vat slippery ) OR ( using java java snippets ))) OR ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("dan trinh vat slippery") OR ("using java java snippets"))) OR ("locating bug code snippets"))*.