Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"dung java java snippets" » "dung va java snippets"
"van ba robot slippers" » "van a robot slippers", "van tao robot slippers", "van tay robot slippers", "van ban robot slippers", "van bao robot slippers", "van bac robot slippers", "van ba robot slippery", "van ba robot 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: (((("van ba robot slippers") or ("dung java java snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("van ba robot slippers") OR ("dung java java snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( van ba robot slippers ) or ( dung java java snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("van ba robot slippers") or ("dung java java snippets"))) or ("locating bugs code snippets"))*.