Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"dung cac khach snippets" » "dung can khach snippets", "dung cao khach snippets", "dung vay khach snippets", "luong cac khach snippets", "dung cho khach snippets", "dung tai khach snippets"
"dung java java slippers" » "dung va java slippers", "dung java java slippery", "dung java java grippers"

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