Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoi cach noi snippets" » "loi cach noi snippets", "hoc cach noi snippets", "doi cach noi snippets", "hoi cach thoi snippets", "hoi hanh noi snippets", "hoi anh noi 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: (((("hoi cach noi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoi cach noi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoi cach noi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoi cach noi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.