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