Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"son hoi cham snippets" » "son hoi chuc snippets", "son hoi chu snippets", "son toc cham snippets", "son hai cham snippets", "son hoa cham snippets", "dong hoi cham 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: (((("son hoi cham snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("son hoi cham snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( son hoi cham snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("son hoi cham snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.