Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
tnhan sinh » thai sinh, nha sinh, nhan dinh
khong cong » thong cong, khong cang, chong cong
cua khong » hua khong, cua phuong, cua thuong
cong tai » cong thai, cong tac, dong tai
tai phan » tai thanh, tai phong, tai ngan

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: toc thieu xanh - ((nhan sinh) or (tnhan sinh)) cua khong cong tai phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc thieu xanh - ((nhan sinh) OR (tnhan sinh)) cua khong cong tai phan tu*.