Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lan cuoi cho snippets" » "lang cuoi cho snippets", "la cuoi cho snippets", "dam cuoi cho snippets", "lan choi cho snippets", "lan cuoi co snippets", "lan nguoi cho 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 cuoi cho 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 cuoi cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lan cuoi cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lan cuoi cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.