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