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