Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ong manh cua snippets" » "duong manh cua snippets", "hoang manh cua snippets", "luong manh cua snippets", "ong doanh cua snippets", "ong ban 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: (((("ong manh 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: (((("ong manh cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ong manh cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ong manh cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.