Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"ngoc tan trac snippets" » "ngoc tuan trac snippets", "ngoc toan trac snippets", "ngoc lan trac snippets", "ngoc tan tran snippets", "ngoc tap trac snippets", "ngoc tan 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: "((((\"ngoc tan trac snippets\") OR (\"python using a snippets\"))) OR (\"locating bugs code snippets\"))~".
• Removing quotes may allow a broader search: (((( ngoc tan trac snippets ) OR ( python using a snippets ))) OR ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("ngoc tan trac snippets") OR ("python using a snippets"))) OR ("locating bugs code snippets"))*.