Perhaps you should try some spelling variations:
"using java java snippets" » "using data java snippets", "using java java slippers"
"dan trinh van slippery" » "dan tinh van slippery", "van trinh van slippery", "hanh trinh van slippery", "dan trinh han slippery", "dan trinh quan slippery", "dan trinh toan slippery", "dan trinh van 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 van slippery\") OR (\"using java java snippets\"))) OR (\"locating bug code snippets\"))~".
• Removing quotes may allow a broader search: (((( dan trinh van slippery ) OR ( using java java snippets ))) OR ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("dan trinh van slippery") OR ("using java java snippets"))) OR ("locating bug code snippets"))*.