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