Perhaps you should try some spelling variations:
hieu nganh » vien nganh, hiem ngan, hieu manh
manh trung » manh tung, thanh trung, manh hung
trung tuan » trung thanh, trung tam, tran tuan
hieu xanh » chieu xanh, hieu manh, dieu hanh
tuan dang » tran dang, tuan bang, tuan dung
dang cong » dung cong
thanh cao » thanh ca, thanh thao, thanh cham
thanh cac » hanh cac, thanh bac, thanh ca
cong san » cong tac

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 xanh) or (hieu nganh)) - manh trung tuan dang cong san ((thanh cao) OR (thanh cac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc ((hieu xanh) OR (hieu nganh)) - manh trung tuan dang cong san ((thanh cao) OR (thanh cac))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc ((hieu xanh) or (hieu nganh)) - manh trung tuan dang cong san ((thanh cao) OR (thanh cac))*".