Perhaps you should try some spelling variations:
"using java java snippets" » "using data java snippets", "using java java slippers"
"vi ninh minh slippery" » "vi ninh binh slippery", "vi hinh minh slippery", "vi binh minh slippery", "vi sinh minh slippery", "vi tinh minh slippery", "ve ninh minh slippery", "vi ninh minh 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: "((((\"vi ninh minh slippery\") OR (\"using java java snippets\"))) OR (\"locating bug code snippets\"))~".
• Removing quotes may allow a broader search: (((( vi ninh minh slippery ) OR ( using java java snippets ))) OR ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("vi ninh minh slippery") OR ("using java java snippets"))) OR ("locating bug code snippets"))*.