Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi trac hoc snippets" » "thi tran hoc snippets", "thi tac hoc snippets", "thi trang hoc snippets", "thi toan hoc snippets", "thi thai hoc snippets", "thi toc 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: (((("thi trac 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: (((("thi trac hoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi trac hoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi trac hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.