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