Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"using java java snippets" » "using data java snippets"
"quy trinh van slippery" » "qua trinh van slippery", "quy dinh van slippery", "quy trinh han slippery", "quy trinh quan slippery", "quy trinh toan slippery", "quy trinh van slippers"

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: (((("quy trinh van slippery") OR ("using java java snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( quy trinh van slippery ) or ( using java java snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("quy trinh van slippery") or ("using java java snippets"))) or ("locating bug core snippets"))*.