Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dao manh hoc snippets" » "dao hanh hoc snippets", "dao minh hoc snippets", "day manh hoc snippets", "dao anh hoc snippets", "dao manh ho snippets", "dao manh hon 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 ("dao manh hoc snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("dao manh hoc snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( dao manh hoc snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("dao manh hoc snippets"))) or ("locating bug code snippets"))*.