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