Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thu day hoc snippets" » "thuc day hoc snippets", "thu da hoc snippets", "thu dac hoc snippets", "thu dai hoc snippets", "thu dan hoc 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 day hoc 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 day hoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thu day hoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thu day hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.