Perhaps you should try some spelling variations:
"thu thi hoan snippets" » "thu thi code snippets", "thu thi hoa snippets", "thu thi hanh snippets", "thu thi hong snippets", "thuc thi hoan snippets", "thu thai hoan snippets", "thuy thi hoan snippets"
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("python using java snippets") or ("thu thi hoan snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("thu thi hoan snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( thu thi hoan snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("thu thi hoan snippets"))) or ("locating bug core snippets"))*.