Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dinh qua con snippets" » "dinh cua con snippets", "dinh quy con snippets", "danh qua con snippets", "dinh qua cong snippets", "dinh qua co snippets", "dinh cua cong 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: (((("dinh qua 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: (((("dinh qua con snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dinh qua con snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dinh qua con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.