Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thuc cua tot snippets" » "hoc cua tot snippets", "thuc va tot snippets", "thuc cua mot snippets", "thuc cua toi snippets", "thuc ca tot 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 cua tot 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 cua tot snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thuc cua tot snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thuc cua tot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.