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