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