Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bach dan doi snippets" » "bach dang doi snippets", "bac dan doi snippets", "bach van doi snippets", "bach dan hoi snippets", "bach dan toi 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 dan doi 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 dan doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bach dan doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bach dan doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.