Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"luong quang he snippets" » "luong quan he snippets", "dung quang he snippets", "luong quang le snippets", "luong quang de snippets"
"dung java java slippers" » "dung va java slippers", "dung java java slippery", "dung java java grippers"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("dung java java slippers") or ("luong quang he snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java slippers") OR ("luong quang he snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( dung java java slippers ) or ( luong quang he snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java slippers") or ("luong quang he snippets"))) or ("locating bugs code snippets"))*.