Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java slippers" » "python using data slippers", "python using java grippers"
"dao van va slippery" » "do van va slippery", "dang van va slippery", "dao van vat slippery", "dao van van slippery", "dao ban va slippery"

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