Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"using java java snippets" » "using data java snippets", "using java java slippers"
"do duong duc snippets" » "do luong duc snippets", "do duong qua snippets", "do dang duc snippets", "doi duong duc snippets", "co duong duc snippets", "do duong duc slippers"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("do duong duc snippets") or ("using java java snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("do duong duc snippets") OR ("using java java snippets"))) OR ("locating bugs code snippets"))*.
• Removing quotes may allow a broader search: (((( do duong duc snippets ) or ( using java java snippets ))) or ( locating bugs code snippets ))*.