Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dinh te cach snippets" » "kinh te cach snippets", "dich te cach snippets", "dinh ve cach snippets", "dinh te sach snippets", "dinh tu cach 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 te cach 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 te cach snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dinh te cach snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dinh te cach snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.