Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoc giai cui snippets" » "hoc giao cui snippets", "hoc dai cui snippets", "so giai cui snippets", "hoc gian cua snippets", "hoc giai bai snippets", "hoc gia cua 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: (((("hoc giai cui snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoc giai cui snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoc giai cui snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoc giai cui snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.