Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thanh mau de snippets" » "hanh mau de snippets", "thanh san de snippets", "thanh hai de snippets", "thanh sau de snippets", "thanh cau de snippets", "thanh mau do 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 mau de 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 mau de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thanh mau de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thanh mau de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.