Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"van phu duc slippery" » "san phu duc slippery", "van phung duc slippery", "van phan duc slippery", "van thu duc slippery", "van chu duc slippery", "van phu duc slippers"
"python using a snippets" » "python using a slippers"

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"python using a snippets\") OR (\"van phu duc slippery\"))) OR (\"locating bugs code snippets\"))~".
• Removing quotes may allow a broader search: (((( python using a snippets ) OR ( van phu duc slippery ))) OR ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("python using a snippets") OR ("van phu duc slippery"))) OR ("locating bugs code snippets"))*.