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