Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"dung ninh phi snippets" » "dung vinh phi snippets", "quang ninh phi snippets", "dung dich phi snippets", "dung kinh phi snippets", "dung linh phi snippets", "dung ninh thi snippets"
"locating bug core snippets" » "locating bug 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 (\"dung ninh phi snippets\"))) OR (\"locating bug core snippets\"))~".
• Removing quotes may allow a broader search: (((( using java code snippets ) OR ( dung ninh phi snippets ))) OR ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") OR ("dung ninh phi snippets"))) OR ("locating bug core snippets"))*.