Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hoc thieu » toc thieu, hoc hien
tranh cua » doanh cua, manh cua
tong cong » trong cong, cong cong, dung cong
cua tong » cua cong, cua dong, cua nong
cong van » cong vang, cong san, song van
phan cau » phan cac, phan lap, toan cau
phan dau » hang dau

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 - canh tranh cua tong cong van ((((phan cau) or (phan tu))) or (phan dau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - canh tranh cua tong cong van ((((phan cau) OR (phan tu))) OR (phan dau)).
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - canh tranh cua tong cong van ((((phan cau) or (phan tu))) or (phan dau))*.