Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"han trong co snippets" » "hanh trong co snippets", "nhan trong co snippets", "phan trong co snippets", "han trong ca snippets", "han trong cong snippets", "han trong cuoc 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: (((("han trong co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("han trong co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( han trong co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("han trong co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.