Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"toan chi doi snippets" » "toan cao doi snippets", "tai chi doi snippets", "luan chi doi snippets", "toan cho doi snippets", "toan chi dai snippets", "toan chi voi 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 chi doi 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 chi doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( toan chi doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("toan chi doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.