Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"doi duy trinh slippers" » "doi quy trinh slippers", "doi duy thinh slippers", "doi qua trinh slippers", "do duy trinh slippers", "doi day trinh slippers", "doi duy trinh slippery", "doi duy trinh grippers"
"dung java java snippets" » "dung va java 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: (((("doi duy trinh slippers") or ("dung java java snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("doi duy trinh slippers") OR ("dung java java snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( doi duy trinh slippers ) or ( dung java java snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi duy trinh slippers") or ("dung java java snippets"))) or ("locating bugs code snippets"))*.