Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bat gian voi snippets" » "bai giang voi snippets", "bac giang voi snippets", "dan gian voi snippets", "bat gian hoi snippets", "bat gian ve snippets", "bat dien voi 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: (((("bat gian voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("bat gian voi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bat gian voi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bat gian voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.