Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"using java java snippets" » "using data java snippets"
"bo truong ca snippets" » "moi truong ca snippets", "xa truong ca snippets", "bo truong cao snippets", "bo truong va snippets", "bo trong ca 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 (\"bo truong ca snippets\"))) OR (\"locating bugs code snippets\"))~".
• Removing quotes may allow a broader search: (((( using java java snippets ) OR ( bo truong ca snippets ))) OR ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java java snippets") OR ("bo truong ca snippets"))) OR ("locating bugs code snippets"))*.