Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
hieu manh » chieu xanh, hieu nganh, dieu hanh
doc hieu » toc thieu, hoc thieu, hoc hien
manh cua » doanh cua, ban cua
cong tac » cong ty
tac danh » sach danh, cac doanh, cac dan
danh cao » doanh cao, danh cho, danh ca

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc hieu manh - hanh ((trung tam) or (manh cua)) thuong cong tac danh cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu manh - hanh ((trung tam) OR (manh cua)) thuong cong tac danh cao.
• Adding a wildcard symbol may retrieve word variants: doc hieu manh - hanh ((trung tam) or (manh cua)) thuong cong tac danh cao*.