Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"xin than hoc snippets" » "xin chan hoc snippets", "tinh than hoc snippets", "dinh than hoc snippets", "xin toan hoc snippets", "xin thai hoc snippets", "xin than doc 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: (((("xin than 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: (((("xin than hoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( xin than hoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("xin than hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.