Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dong tai cuu snippets" » "dung tai cuu snippets", "luong tai cuu snippets", "cong tac cuu snippets", "dong tai cuc snippets", "dong tai buu snippets", "dong tai 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: (((("dong tai cuu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dong tai cuu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong tai cuu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong tai cuu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.