Perhaps you should try some spelling variations:
"using java java snippets" » "using data java snippets"
"doi trong dan slippers" » "doi tuong dan slippers", "dot trong dan slippers", "dong trong dan slippers", "doi trong dang slippers", "doi trong san slippers", "doi trong tan slippers", "doi trong dan slippery", "doi trong dan 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: (((("using java java snippets") OR ("doi trong dan slippers"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( using java java snippets ) or ( doi trong dan slippers ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java java snippets") or ("doi trong dan slippers"))) or ("locating bug code snippets"))*.