Perhaps you should try some spelling variations:
"using java java snippets" » "using data java snippets", "using java java slippers"
"doi sanh tac snippets" » "do sanh tac snippets", "doi hanh tac snippets", "doi anh tac snippets", "doi canh tac snippets", "doi sang tac snippets", "doi anh ta snippets", "doi sanh tac 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: (((("using java java snippets") or ("doi sanh tac snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java java snippets") OR ("doi sanh tac snippets"))) OR ("locating bug code snippets"))*.
• Removing quotes may allow a broader search: (((( using java java snippets ) or ( doi sanh tac snippets ))) or ( locating bug code snippets ))*.