Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hay cac moi snippets" » "tay cac moi snippets", "vay cac moi snippets", "phan cac moi snippets", "hay cac mon snippets", "hay cac toi snippets", "hay cac thoi 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: (((("hay cac moi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hay cac moi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hay cac moi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hay cac moi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.