Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bach dang de snippets" » "bach dan de snippets", "bach khang de snippets", "cach mang de snippets", "bach dang deo snippets", "bach dung de snippets", "bach dang do 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: (((("bach dang de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("bach dang de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bach dang de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bach dang de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.