Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoi mem chon snippets" » "hoi hiem chon snippets", "hoi mem cong snippets", "hoi mo chon snippets", "hoi kiem chon 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 mem chon 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 mem chon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoi mem chon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoi mem chon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.