Perhaps you should try some spelling variations:
"python using code snippets" » "python using cfd snippets", "python using one snippets"
"tri nuoi da snippets" » "tri noi da snippets", "tri ngoai da snippets", "tri nguon da snippets", "tri nuoi day snippets", "tri nuoi ga snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets"

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 code snippets\") OR (\"tri nuoi da snippets\"))) OR (\"locating bug code snippets\"))~".
• Removing quotes may allow a broader search: (((( python using code snippets ) OR ( tri nuoi da snippets ))) OR ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("python using code snippets") OR ("tri nuoi da snippets"))) OR ("locating bug code snippets"))*.