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"
"duc do tu snippets" » "duc dao tu snippets", "duoc do tu snippets", "muc do tu snippets", "duc co tu snippets", "duc de tu snippets", "duc do tu 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: (((("duc do tu snippets") OR ("python using java snippets"))) OR ("locating bugs code snippets"))~.
• Removing quotes may allow a broader search: (((( duc do tu snippets ) or ( python using java snippets ))) or ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("duc do tu snippets") or ("python using java snippets"))) or ("locating bugs code snippets"))*.