Perhaps you should try some spelling variations:
"using java java snippets" » "using data java snippets", "using java java slippers"
"vi trinh xa grippers" » "vi tinh xa grippers", "va trinh xa grippers", "viet trinh xa grippers", "vi trinh xay grippers", "vi trinh xac grippers", "vi trinh da grippers", "vi trinh xa slippers"
"locating bug code snippets" » "locating bug code slippers", "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.

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