Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cac thoi mon snippets" » "cac toi mon snippets", "cac hop mon snippets", "cac tro mon snippets", "cac thi mon snippets", "cac thoi mien snippets", "cac thoi minh 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: (((("python using java snippets") or ("cac thoi mon snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("cac thoi mon snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( cac thoi mon snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("cac thoi mon snippets"))) or ("locating bug code snippets"))*.