Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"minh can cho snippets" » "minh chanh cho snippets", "minh danh cho snippets", "minh tuan cho snippets", "minh chan cho snippets", "minh cap cho snippets", "minh cao cho 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: (((("minh can cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("minh can cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( minh can cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("minh can cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.