Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hai hoc vo snippets" » "thai hoc vo snippets", "hai huoc vo snippets", "dai hoc vo snippets", "hai hoc va snippets", "hai hoc co snippets", "hai hoc vi 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: (((("hai hoc vo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hai hoc vo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hai hoc vo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hai hoc vo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.