Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"kha tong cuc snippets" » "khau tong cuc snippets", "khac trong cuc snippets", "khap thong cuc snippets", "kha trong cuoc snippets", "kha thong cua snippets", "kha cong chuc 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: (((("kha tong cuc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("kha tong cuc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( kha tong cuc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("kha tong cuc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.