Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"vung cac doi snippets" » "vung cac code snippets", "dung cac doi snippets", "luong cac doi snippets", "cuong cac doi snippets", "vung cac dai snippets", "vung cac toi snippets", "vung cau doi 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: (((("vung cac doi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("vung cac doi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( vung cac doi snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("vung cac doi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.