Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phuc nam hoi snippets" » "phuc cam hoi snippets", "phuc cham hoi snippets", "hoc nam hoi snippets", "phuc nam khoa 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: (((("phuc nam hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phuc nam hoi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phuc nam hoi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phuc nam hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.