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