Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"may nhoi cho snippets" » "may thoi cho snippets", "may khoa cho snippets", "tay hoi cho snippets", "may hoi cho snippets", "may noi cho snippets", "may choi 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: (((("may nhoi 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: (((("may nhoi cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( may nhoi cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("may nhoi cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.