Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
thanh tung » thanh cong
hoc thieu » toc thieu, hoc hien
dong cong » duong cong, dung cong, dang cong
tung cap » trung cap, cung cap, thong cap
cap dong » cao dong, cau dong, ca dong
huy toan » huy tran, huu toan, huy hoang
ty toan » ly toan, tap toan, tam toan

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 cap dong cong ((ty toan) OR (huy toan)) cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - thanh tung cap dong cong ((ty toan) OR (huy toan)) cau*".