Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"python using sat snippets" » "python using data snippets", "python using a snippets", "python using raw snippets", "python using sat slippers"
"duc hoc dai snippets" » "duoc hoc dai snippets", "luc hoc dai snippets", "du hoc dai snippets", "duc hoc dan snippets", "duc hoc dai 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: "((((\"duc hoc dai snippets\") OR (\"python using sat snippets\"))) OR (\"locating bugs code snippets\"))~".
• Removing quotes may allow a broader search: (((( duc hoc dai snippets ) OR ( python using sat snippets ))) OR ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("duc hoc dai snippets") OR ("python using sat snippets"))) OR ("locating bugs code snippets"))*.