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