Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"toan tinh co snippets" » "toan tin co snippets", "toan kinh co snippets", "doan tinh co snippets", "toan trinh co snippets", "toan tinh cao snippets", "toan tinh cho 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 tinh co 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 tinh co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( toan tinh co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("toan tinh co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.