Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"sinh vien ca snippets" » "sinh vien cac snippets", "sinh vien cao snippets", "sinh vien can snippets", "dinh vien ca snippets", "minh vien ca snippets", "kinh vien ca 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: (((("sinh vien ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("sinh vien ca snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( sinh vien ca snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("sinh vien ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.