Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luan bao hoc snippets" » "luat bao hoc snippets", "luan ban hoc snippets", "xuan bao hoc snippets", "luan bai hoc snippets", "luan bao goc snippets", "luan bac hoc 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: (((("luan bao 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: (((("luan bao hoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luan bao hoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luan bao hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.