Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"minh de da snippets" » "minh ve da snippets", "sinh de da snippets", "menh de da snippets", "minh de dao snippets", "minh de dat snippets", "minh de dan 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 de da 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 de da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( minh de da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("minh de da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.