Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dinh thu do snippets" » "dinh thuy do snippets", "dinh thuc do snippets", "dinh thi do snippets", "dinh khu do snippets", "dinh tu do 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: (((("dinh thu do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dinh thu do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dinh thu do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dinh thu do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.