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