Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"moi nhat cui snippets" » "moi bat cui snippets", "hoi nhap cui snippets", "moi nhat cua snippets", "moi nhat pcsi snippets", "moi nhan 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: (((("moi nhat cui snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("moi nhat cui snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( moi nhat cui snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("moi nhat cui snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.