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