Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"kim sach che snippets" » "kim bach che snippets", "kien sach che snippets", "nam sach che snippets", "kim sach thue snippets", "kim sach nha snippets", "kim sach cap 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 sach che 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 sach che snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( kim sach che snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("kim sach che snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.