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