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

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"do van va slippery\") OR (\"python using java grippers\"))) OR (\"locating bug code snippets\"))~".
• Removing quotes may allow a broader search: (((( do van va slippery ) OR ( python using java grippers ))) OR ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("do van va slippery") OR ("python using java grippers"))) OR ("locating bug code snippets"))*.