Perhaps you should try some spelling variations:
hieu manh » chieu xanh, hieu nganh, dieu hanh
cong tuan » cong tan, cong luan, cong thanh
tuan phan » luan phan, toan phan, tuan pham
hoc hieu » hoc thieu, hoc hien, doc hieu
tung cua » trung cua, tuong cua, tang cua
dung cua » dung luan, dung cho
phan cau » phan dau, phan cac, phan tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hieu manh - thanh ((tung cua) OR (dung cua)) trong cong tuan phan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hieu manh - thanh ((tung cua) OR (dung cua)) trong cong tuan phan cau".
• Adding a wildcard symbol may retrieve word variants: hoc hieu manh - thanh ((tung cua) OR (dung cua)) trong cong tuan phan cau*.