Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"mot hanh hoa snippets" » "mot thanh hoa snippets", "mot doanh hoa snippets", "hoc hanh hoa snippets", "mot khanh hoa snippets", "mot hang hoa 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: (((("mot hanh 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: (((("mot hanh hoa snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( mot hanh hoa snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("mot hanh hoa snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.