Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhat tien da snippets" » "nhat bien da snippets", "phat trien da snippets", "chat thien da snippets", "nhat tien dam snippets", "nhat tien dat snippets", "nhat tien dua 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: (((("nhat tien da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhat tien da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhat tien da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhat tien da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.