Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"minh di can snippets" » "minh ai can snippets", "minh de can snippets", "minh duc can snippets", "minh di san snippets", "minh di ban snippets", "minh di cau 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 di 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: (((("minh di can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( minh di can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("minh di can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.