Perhaps you should try some spelling variations:
"cong tinh java slippers" » "cong trinh java slippers", "cong vinh java slippers", "cong thanh java slippers", "cong think java slippers", "cong tinh va slippers", "cong tinh java slippery", "cong tinh java grippers"
"hang java java snippets" » "hang va java snippets"
"locating bug code snippets" » "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.

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cong tinh java slippers") OR ("hang java java snippets"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( cong tinh java slippers ) or ( hang java java snippets ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("cong tinh java slippers") or ("hang java java snippets"))) or ("locating bug code snippets"))*.