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