Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"han cuoi cac snippets" » "lan cuoi cac snippets", "chan nuoi cac snippets", "nhan cuoc cac snippets", "han cuoi dac snippets", "han cuoc cach snippets", "han cuong cac 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: (((("han cuoi cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("han cuoi cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( han cuoi cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("han cuoi cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.