Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hut danh cau snippets" » "hut dan cau snippets", "chuc danh cau snippets", "luat danh cau snippets", "hut danh dau snippets", "hut danh ca snippets", "hut danh hau 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: (((("hut danh cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hut danh cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hut danh cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hut danh cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.