Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets", "using java core snippets", "using java code slippers"
"jun yong liu snippets" » "hyun yong liu snippets", "yuan yong liu snippets", "jhi yong liu snippets", "jun tong liu snippets", "jun yuhong liu snippets", "jun qiong liu snippets", "jun yong liu slippers"
"locating bug code snippets" » "locating bug core snippets", "locating bug code slippers", "locating bung code snippets", "locating bugs code 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 code snippets\") OR (\"jun yong liu snippets\"))) OR (\"locating bug code snippets\"))~".
• Removing quotes may allow a broader search: (((( using java code snippets ) OR ( jun yong liu snippets ))) OR ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") OR ("jun yong liu snippets"))) OR ("locating bug code snippets"))*.