Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"vit tong cuc snippets" » "viet thong cuc snippets", "viet trong cuc snippets", "vat trong cuc snippets", "vit trong cuoc snippets", "vit thong cua snippets", "vit 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: (((("vit 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: (((("vit tong cuc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( vit tong cuc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("vit tong cuc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.