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"
"luc hoc dan snippets" » "duoc hoc dan snippets", "luc hoc dan 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: "((((\"luc hoc dan snippets\") OR (\"python using sat snippets\"))) OR (\"locating bugs code snippets\"))~".
• Removing quotes may allow a broader search: (((( luc hoc dan snippets ) OR ( python using sat snippets ))) OR ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("luc hoc dan snippets") OR ("python using sat snippets"))) OR ("locating bugs code snippets"))*.