Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dieu tao con snippets" » "dien tao con snippets", "dieu ta con snippets", "dieu tuoi con snippets", "dieu cao cong snippets", "dieu vao cong snippets", "dieu tao dong 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: (((("dieu tao con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dieu tao con snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dieu tao con snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dieu tao con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.