Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dung java java slippers" » "dung va java slippers", "dung java java slippery", "dung java java grippers"
"trong tan khoa snippets" » "trong san khoa snippets", "trong quan khoa snippets", "trong cac khoa snippets", "trong toan khoa snippets", "trong tran khoa snippets"

You may be able to get more results by adjusting your search query.

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