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