Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hieu tuc cay snippets" » "hieu thuc cay snippets", "hieu luc cay snippets", "hieu thuoc cay snippets", "hieu tuc cac snippets", "hieu tu cay snippets", "hieu tac cay 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: (((("hieu tuc cay snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hieu tuc cay snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hieu tuc cay snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hieu tuc cay snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.