Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"python using java grippers" » "python using data grippers", "python using java slippers"
"ngu ca van snippets" » "ngu cac van snippets", "ngu cao van snippets", "ngu can van snippets", "ngu ca van 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: "((((\"python using java grippers\") OR (\"ngu ca van snippets\"))) OR (\"locating bugs code snippets\"))~".
• Removing quotes may allow a broader search: (((( python using java grippers ) OR ( ngu ca van snippets ))) OR ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("python using java grippers") OR ("ngu ca van snippets"))) OR ("locating bugs code snippets"))*.