Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"toi van chi snippets" » "thi van chi snippets", "tri van chi snippets", "doi van chi snippets", "toi van chien snippets", "toi luan chi snippets", "toi van chat 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: (((("toi van 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: (((("toi van chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( toi van chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("toi van chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.