Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chat cho toi snippets" » "chat co toi snippets", "chat thom toi snippets", "cap cho toi snippets", "chat cho tuoi snippets", "chat cho moi snippets", "chat cho doi 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: (((("chat cho toi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chat cho toi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chat cho toi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chat cho toi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.