Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ban cham cuu snippets" » "ban chat cuu snippets", "ban ham cuu snippets", "ban cam cuu snippets", "ban cap cuu snippets", "ban chat cua 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: (((("ban cham cuu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ban cham cuu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ban cham cuu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ban cham cuu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.