Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"va trinh java grippers" » "van trinh java grippers", "va tinh java grippers", "lap trinh java grippers", "va trinh java slippers"
"using low java slippery" » "using low java 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: "((((\"using low java slippery\") OR (\"va trinh java grippers\"))) OR (\"locating bugs code snippets\"))~".
• Removing quotes may allow a broader search: (((( using low java slippery ) OR ( va trinh java grippers ))) OR ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using low java slippery") OR ("va trinh java grippers"))) OR ("locating bugs code snippets"))*.