Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"cac qua trinh snippets" » "cac qua kinh snippets", "cau qua trinh snippets", "tac quan trinh snippets", "cac qua trinh slippers"
"python using a slippery" » "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: "((((\"python using a slippery\") OR (\"cac qua trinh snippets\"))) OR (\"locating bugs code snippets\"))~".
• Removing quotes may allow a broader search: (((( python using a slippery ) OR ( cac qua trinh snippets ))) OR ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("python using a slippery") OR ("cac qua trinh snippets"))) OR ("locating bugs code snippets"))*.