Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"dung java java slippers" » "dung va java slippers", "dung java java slippery", "dung java java grippers"
"tran li trac snippets" » "tran si trac snippets", "tran mi trac snippets", "tran linh trac snippets", "tran li rac snippets", "tran vi trac snippets", "tran hoi trac snippets"

Try widening your search to All Fields.

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