Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thu do cau snippets" » "thuy do cau snippets", "khu do cau snippets", "tu do cau snippets", "thu dao cau snippets", "thu bo cau snippets", "thu co cau 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 do cau 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 do cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thu do cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thu do cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.