Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"vit cua cau snippets" » "vit cua code snippets", "vat cua cau snippets", "vit ca cau snippets", "biet cua cau snippets", "vit chua cau snippets", "vit cua cac snippets", "vit cua chu snippets"
"python using java snippets" » "python using data 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 cua cau snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("vit cua cau snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( vit cua cau snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("vit cua cau snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.