Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"dung doi 01 slippers" » "huong doi 01 slippers", "dung tai 01 slippers", "dung co 01 slippers", "dung doi 2018 slippers", "dung doi 2010 slippers", "dung doi 2012 slippers", "dung doi 01 slippery", "dung doi 01 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 doi 01 slippers") or ("python using java snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung doi 01 slippers") OR ("python using java snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( dung doi 01 slippers ) or ( python using java snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung doi 01 slippers") or ("python using java snippets"))) or ("locating bugs code snippets"))*.