Perhaps you should try some spelling variations:
"using java java snippets" » "using data java snippets"
"doi trinh van slippers" » "doc trinh van slippers", "doi tinh van slippers", "dong trinh van slippers", "doi trinh han slippers", "doi trinh quan slippers", "doi trinh toan slippers", "doi trinh van slippery", "doi trinh van grippers"
"locating bug code snippets" » "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.

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("doi trinh van slippers") OR ("using java java snippets"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( doi trinh van slippers ) or ( using java java snippets ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("doi trinh van slippers") or ("using java java snippets"))) or ("locating bug code snippets"))*.