Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"pham van trac snippets" » "pham va trac snippets", "pham van thac snippets", "pham van tra snippets", "phan van trac snippets", "pham van trac 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: "((((\"pham van trac snippets\") OR (\"python using a snippets\"))) OR (\"locating bugs code snippets\"))~".
• Removing quotes may allow a broader search: (((( pham van trac snippets ) OR ( python using a snippets ))) OR ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("pham van trac snippets") OR ("python using a snippets"))) OR ("locating bugs code snippets"))*.