Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"kim hoa cua snippets" » "kim ho cua snippets", "kip hoa cua snippets", "kim loai cua snippets", "kim hoa chat snippets", "kim hoa xuat 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 hoa 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 hoa cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( kim hoa cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("kim hoa cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.