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