Perhaps you should try some spelling variations:
"using java java snippets" » "using data java snippets"
"vien trung va slippers" » "vien truong va slippers", "viet trung va slippers", "mien trung va slippers", "vien trang va slippers", "vien trung ha slippers", "vien trung va slippery", "vien trung va grippers"
"locating bug code snippets" » "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 (\"vien trung va slippers\"))) OR (\"locating bug code snippets\"))~".
• Removing quotes may allow a broader search: (((( using java java snippets ) OR ( vien trung va slippers ))) OR ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java java snippets") OR ("vien trung va slippers"))) OR ("locating bug code snippets"))*.