Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thu khan cap snippets" » "thu nhan cap snippets", "thu phan cap snippets", "thi khan cap snippets", "thu khan ap snippets", "thu than cap snippets", "thu khoan cam 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: (((("thu khan cap snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thu khan cap snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thu khan cap snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thu khan cap snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.