Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chi cham cuu snippets" » "chin cham cuu snippets", "thi cham cuu snippets", "khi cham cuu snippets", "chi cap cuu snippets", "chi 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: (((("chi 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: (((("chi cham cuu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chi cham cuu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chi cham cuu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.