Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"trot sau cac snippets" » "truoc sau cac snippets", "tra sau cac snippets", "tao sau cac snippets", "trot sat cac snippets", "trot sao cac snippets", "trot su 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: (((("trot sau 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: (((("trot sau cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trot sau cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trot sau cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.