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