Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tac nuoc cho snippets" » "cac nuoc cho snippets", "tac cuoc cho snippets", "tac nguoi cho snippets", "tac nuoc khoa snippets", "tac nuoc cua 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: (((("tac nuoc 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: (((("tac nuoc cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tac nuoc cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tac nuoc cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.