Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"minh nam cac snippets" » "tinh nam cac snippets", "dinh nam cac snippets", "binh nam cac snippets", "minh nam cao snippets", "minh nam sach 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 nam cac 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 nam cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( minh nam cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("minh nam cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.