Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"uoc mo hoc snippets" » "uoc mon hoc snippets", "uoc co hoc snippets", "quoc mo hoc snippets", "duoc mo hoc snippets", "cuoc mo 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: (((("uoc 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: (((("uoc mo hoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( uoc mo hoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("uoc mo hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.