Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"duoc lai hoi snippets" » "duoc lam hoi snippets", "duoc li hoi snippets", "duc lai hoi snippets", "duoc dai hoi snippets", "duoc lai hoa snippets", "duoc lai roi 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 lai hoi 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 lai hoi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( duoc lai hoi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duoc lai hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.