Perhaps you should try some spelling variations:
"using java java snippets" » "using data java snippets", "using java java slippers"
"time hieu trac snippets" » "tim hieu trac snippets", "tin hieu trac snippets", "tich hieu trac snippets", "time dieu tra snippets", "time hieu cac snippets", "time hiep tran snippets", "time hieu trac slippers"
"locating bug code snippets" » "locating bug code slippers", "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.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("time hieu trac snippets") or ("using java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("time hieu trac snippets") OR ("using java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( time hieu trac snippets ) or ( using java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("time hieu trac snippets") or ("using java java snippets"))) or ("locating bug code snippets"))*.