Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java slippers" » "python using data slippers", "python using java slippery", "python using java grippers"
"bi trinh su snippets" » "bi tinh su snippets", "qui trinh su snippets", "thi trinh su snippets", "bi trinh tu snippets", "bi trinh san snippets", "bi trinh cau snippets"

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java slippers") OR ("bi trinh su snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( python using java slippers ) or ( bi trinh su snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("python using java slippers") or ("bi trinh su snippets"))) or ("locating bug core snippets"))*.