Perhaps you should try some spelling variations:
"thu cho cong snippets" » "thu cho code snippets", "thu cao cong snippets", "thu cua cong snippets", "thu cac cong snippets", "thu chi cong snippets", "thu co cong snippets", "thu thao cong snippets"
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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 cho cong 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 cho cong snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( thu cho cong snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("thu cho cong snippets"))) or ("locating bug core snippets"))*.