Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tra cau te snippets" » "tra sau te snippets", "ta cau te snippets", "tra cuu te snippets", "tra cau tu snippets", "tra cau de snippets", "tra cau theo 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: (((("tra cau te snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tra cau te snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tra cau te snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tra cau te snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.