Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"minh mon chu snippets" » "minh son chu snippets", "kinh mon chu snippets", "minh hon chu snippets", "minh mot chu snippets", "minh chon chu snippets", "minh con chua 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 mon chu 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 mon chu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( minh mon chu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("minh mon chu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.