Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"quy benh hoc snippets" » "tuy benh hoc snippets", "quy dinh hoc snippets", "gay benh hoc snippets", "quy sinh hoc 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: (((("quy benh hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("quy benh hoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( quy benh hoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("quy benh hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.