Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"than tu hon snippets" » "thanh tu hon snippets", "thang tu hon snippets", "phan tu hon snippets", "than tu chon snippets", "than tuc hon snippets", "than tu 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: (((("python using java snippets") or ("than tu hon snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("than tu hon snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( than tu hon snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("than tu hon snippets"))) or ("locating bug code snippets"))*.