Perhaps you should try some spelling variations:
"trinh nghe java slippers" » "trinh nghien java slippers", "trinh he java slippers", "trinh nha java slippers", "trinh nghe va slippers", "trinh ngu java slippers", "trinh nghe java slippery", "trinh nghe 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.

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