Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"phap hoc co snippets" » "phap hoc code snippets", "phap hoan co snippets", "phap mo co snippets", "phap han co snippets", "phap hoc cao snippets"
"python using java slippers" » "python using data slippers", "python using java slippery", "python using java grippers"

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 ("phap hoc co snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( python using java slippers ) or ( phap hoc co snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("python using java slippers") or ("phap hoc co snippets"))) or ("locating bug core snippets"))*.