Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"minh ho cua snippets" » "minh hoa cua snippets", "minh hon cua snippets", "minh cho cua snippets", "minh hoc cua snippets", "minh hoi 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: (((("minh ho 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: (((("minh ho cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( minh ho cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("minh ho cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.