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