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