Perhaps you should try some spelling variations:
"using java java snippets" » "using data java snippets", "using java java slippers"
"va thanh toan slippery" » "va thanh hoa slippery", "va thanh san slippery", "va tinh toan slippery", "gia thanh toan slippery", "ban thanh toan slippery", "va thanh toan 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: "((((\"using java java snippets\") OR (\"va thanh toan slippery\"))) OR (\"locating bug code snippets\"))~".
• Removing quotes may allow a broader search: (((( using java java snippets ) OR ( va thanh toan slippery ))) OR ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java java snippets") OR ("va thanh toan slippery"))) OR ("locating bug code snippets"))*.