Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luat canh bo snippets" » "luat doanh bo snippets", "luat kinh bo snippets", "luc canh bo snippets", "luat can bo snippets", "luat hoanh bo 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: (((("luat canh bo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("luat canh bo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luat canh bo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luat canh bo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.