Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhat mon so snippets" » "nhap mon so snippets", "nhat moi so snippets", "hat mon so snippets", "nhat hon so snippets", "nhat con so snippets", "nhat mon o 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: (((("nhat mon so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhat mon so snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhat mon so snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhat mon so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.