Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phap xa hoc snippets" » "phap xac hoc snippets", "phap xoa hoc snippets", "phap va hoc snippets", "phap xa hoi snippets", "phap xa hoa 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: (((("phap xa 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: (((("phap xa hoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phap xa hoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phap xa hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.