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