Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ban minh cho snippets" » "van minh cho snippets", "ban tinh cho snippets", "ban linh cho snippets", "ban minh chi snippets", "ban chinh 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: (((("ban minh 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: (((("ban minh cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ban minh cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ban minh cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.