Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dich anh chi snippets" » "thich anh chi snippets", "hinh anh chi snippets", "dien anh chi snippets", "dich banh chi snippets", "dich danh chi snippets", "dich anh thi 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: (((("dich anh chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dich anh chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dich anh chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dich anh chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.