Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dinh rang so snippets" » "dinh lang so snippets", "dinh quang so snippets", "dinh trong so snippets", "dinh rang co snippets", "dinh trang son snippets", "dinh lang son 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 rang so 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 rang so snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dinh rang so snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dinh rang so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.