Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lan thuc so snippets" » "luan thuc so snippets", "dan thuc so snippets", "lan thu so snippets", "lan thuoc so snippets", "lan thuc co snippets", "lan thuc su 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: (((("lan thuc so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lan thuc so snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lan thuc so snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lan thuc so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.