Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"kim hoc cau snippets" » "kim ho cau snippets", "kim hoa cau snippets", "kim phuoc cau snippets", "kim hoc cao snippets", "kim hoc cac snippets", "kim hoc can 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 hoc 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: (((("kim hoc cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( kim hoc cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("kim hoc cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.