Perhaps you should try some spelling variations:
"tran trong lai slippers" » "gian trong lai slippers", "quan trong lai slippers", "tran tuong lai slippers", "tran trong lam slippers", "tran trong hai slippers", "tran trong lai slippery", "tran trong lai grippers"
"dung java java snippets" » "dung 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.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"tran trong lai slippers\") OR (\"dung java java snippets\"))) OR (\"locating bug code snippets\"))~".
• Removing quotes may allow a broader search: (((( tran trong lai slippers ) OR ( dung java java snippets ))) OR ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("tran trong lai slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets"))*.