Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tran kiem du snippets" » "tran kiem code snippets", "toan kiem du snippets", "trang kien du snippets", "trinh kiem du snippets", "tran diem du snippets", "tran hiem du snippets", "tran kiem thu 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: (((("tran kiem du snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tran kiem du snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( tran kiem du snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tran kiem du snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.