Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tran mon cac snippets" » "tra mon cac snippets", "tran minh cac snippets", "tran manh cac snippets", "tran mong cac snippets", "tran ton cac snippets", "tran con cac 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: (((("tran mon 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: (((("tran mon cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tran mon cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tran mon cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.