Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cuon danh du snippets" » "cuong danh du snippets", "cuoi dan du snippets", "cuon sach du snippets", "cuon danh dau snippets", "cuon danh tu snippets", "cuon dinh du 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: (((("cuon danh du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cuon danh du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cuon danh du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cuon danh du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.