Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thuc te hoa snippets" » "thuc ve hoa snippets", "thuc tien hoa snippets", "thuc tin hoa snippets", "thuc te khoa snippets", "thuc te hoc snippets", "thuc te ho 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 te hoa 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 te hoa snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thuc te hoa snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thuc te hoa snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.