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