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