Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"duoc lam ke snippets" » "duoc pham ke snippets", "duoc ly ke snippets", "duoc li ke snippets", "duoc lam ket snippets", "duoc lap ke 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 lam ke 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 lam ke snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( duoc lam ke snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duoc lam ke snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.