Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luong mat da snippets" » "luong vat da snippets", "duong mat da snippets", "luong va da snippets", "luong mat dan snippets", "luong mat ma 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: (((("python using java snippets") or ("luong mat da snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("luong mat da snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( luong mat da snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("luong mat da snippets"))) or ("locating bug code snippets"))*.