Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"minh chuc de snippets" » "dinh chuc de snippets", "minh duc de snippets", "minh khue de snippets", "minh chu de snippets", "minh chuc ke snippets", "minh chuc dao 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 chuc de 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 chuc de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( minh chuc de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("minh chuc de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.