Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thao ttp cac snippets" » "thao lap cac snippets", "thao p cac snippets", "thao tin cac snippets", "thao tap cac snippets", "thao tap cach 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: (((("thao ttp cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thao ttp cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thao ttp cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thao ttp cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.