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