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