Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bich san chi snippets" » "bich loan chi snippets", "bich tran chi snippets", "dich sang chi snippets", "bich van chi snippets", "bich luan chi snippets", "bich toan 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: (((("bich san 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: (((("bich san chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bich san chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bich san chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.