Perhaps you should try some spelling variations:
"using java java snippets" » "using data java snippets", "using java java slippers"
"doi trong dan slippery" » "doi tuong dan slippery", "dot trong dan slippery", "dong trong dan slippery", "doi trong dang slippery", "doi trong san slippery", "doi trong tan slippery", "doi trong dan 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.

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