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