Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ban duoc ca snippets" » "tan duoc ca snippets", "van duoc ca snippets", "ban thuoc ca snippets", "ban duoc cac snippets", "ban duoc ma snippets", "ban duoc va 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: (((("ban duoc ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ban duoc ca snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ban duoc ca snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ban duoc ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.