Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tham dinh do snippets" » "nam dinh do snippets", "thai binh do snippets", "than kinh do snippets", "tham dinh dao snippets", "tham dinh doc snippets", "tham dinh so 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: (((("tham dinh 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: (((("tham dinh do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tham dinh do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tham dinh do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.