Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"quoc mo co snippets" » "uoc mo co snippets", "quoc co co snippets", "quoc lo co snippets", "quoc moi co snippets", "quoc mo cho snippets", "quoc mot co 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: (((("quoc mo co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("quoc mo co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( quoc mo co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("quoc mo co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.