Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hoc thieu » toc thieu, hoc hien
tuong cua » truong cua, huong cua, thong cua
cong bang » cuong bang, dong bang, hong bang
tung cua » trung cua, dung cua, tang cua
cong tan » cong tac, cong san, cong thanh
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 thieu xanh - thanh ((tung cua) OR (tuong cua)) nhung ((cong bang) or (cong tan)) phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - thanh ((tung cua) OR (tuong cua)) nhung ((cong bang) OR (cong tan)) phan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - thanh ((tung cua) OR (tuong cua)) nhung ((cong bang) or (cong tan)) phan cau".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - thanh ((tung cua) OR (tuong cua)) nhung ((cong bang) or (cong tan)) phan cau*.