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