Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"duoc luat ca snippets" » "duc luat ca snippets", "duoc luan ca snippets", "nuoc luat ca snippets", "duoc luat cac snippets", "duoc luat can snippets", "duoc luat cau 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: (((("duoc luat 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: (((("duoc luat ca snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( duoc luat ca snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duoc luat ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.