Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thanh ky can snippets" » "hanh ky can snippets", "than ky can snippets", "thanh tay can snippets", "thanh ki can snippets", "thanh ky dan snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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: (((("thanh ky can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thanh ky can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thanh ky can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thanh ky can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.