Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"python using java snippets" » "python using data snippets", "python using java slippers"
"bac do duc snippets" » "bac bo duc snippets", "ban do duc snippets", "bac ho duc snippets", "bac dao duc snippets", "bac do duy snippets", "bac do duc slippers"

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("bac do duc snippets") OR ("python using java snippets"))) OR ("locating bugs code snippets"))~.
• Removing quotes may allow a broader search: (((( bac do duc snippets ) or ( python using java snippets ))) or ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("bac do duc snippets") or ("python using java snippets"))) or ("locating bugs code snippets"))*.