Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi dao hoan snippets" » "thi dao doanh snippets", "thi vao hoang snippets", "thi do hoa snippets", "thi dai hoan snippets", "thi hao hoan snippets", "thi dan hoan 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: (((("thi dao hoan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thi dao hoan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi dao hoan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi dao hoan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.