Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thu phan ca snippets" » "thu nhan ca snippets", "thuat phan ca snippets", "than phan ca snippets", "thu phan cac snippets", "thu phan cau snippets", "thu phan 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 phan ca 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 phan ca snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thu phan ca snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thu phan ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.