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