Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thuc thi lon snippets" » "thuc thai lon snippets", "thuc thuc lon snippets", "luc thi lon snippets", "thuc thi loan snippets", "thuc thit lon snippets", "thuc thi lan 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: (((("thuc thi lon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thuc thi lon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thuc thi lon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thuc thi lon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.