Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets", "using java core snippets", "using java code slippers"
"ban hoi trac snippets" » "ban thoi trac snippets", "ban moi trac snippets", "dan hoi trac snippets", "ban hoi trac slippers", "ban hoi trach snippets", "ban hoi tran snippets", "ban hoi tac snippets"
"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 (\"ban hoi trac snippets\"))) OR (\"locating bug code snippets\"))~".
• Removing quotes may allow a broader search: (((( using java code snippets ) OR ( ban hoi trac snippets ))) OR ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") OR ("ban hoi trac snippets"))) OR ("locating bug code snippets"))*.