Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doi cua va slippers" » "hoi cua va slippers", "dai cua va slippers", "dong cua va slippers", "doi cua vat slippers", "doi chua va slippers", "doi cua van slippers", "doi cua va slippery", "doi cua va 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 cua va slippers") OR ("python using java snippets"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( doi cua va slippers ) or ( python using java snippets ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("doi cua va slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.