Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tong cuc moi snippets" » "trong cuoc moi snippets", "thong cua moi snippets", "cong chuc moi snippets", "tong cua moi snippets", "tong cac moi snippets", "tong luc moi 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: (((("tong cuc moi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tong cuc moi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tong cuc moi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tong cuc moi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.