Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"anh luan hoc snippets" » "anh tuan hoc snippets", "anh quan hoc snippets", "anh xuan hoc snippets", "anh luan hoan snippets", "anh quang hoc snippets", "anh luan khoa 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: (((("anh luan hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("anh luan hoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( anh luan hoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("anh luan hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.