Perhaps you should try some spelling variations:
"dusing java java snippets" » "using java java snippets"
"ro trinh java slippers" » "co trinh java slippers", "tra trinh java slippers", "tao trinh java slippers", "ro trinh java slippery", "ro trinh java grippers"
"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.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("ro trinh java slippers") or ("dusing java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ro trinh java slippers") OR ("dusing java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ro trinh java slippers ) or ( dusing java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ro trinh java slippers") or ("dusing java java snippets"))) or ("locating bug code snippets"))*.