Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"dung hai robot snippets" » "dung tao robot snippets", "dung a robot snippets", "dung tay robot snippets", "dung tai robot snippets", "dung ha robot snippets", "dung sai robot 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 hai robot 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 hai robot snippets") OR ("dung java java slippers"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( dung hai robot snippets ) or ( dung java java slippers ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung hai robot snippets") or ("dung java java slippers"))) or ("locating bugs code snippets"))*.