Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hoc thieu » toc thieu, hoc hien
canh manh » lanh manh, canh tranh, cach mang
tong cong » trong cong, dung cong, dang cong
cong cong » cong dong, trong cong, dung cong
manh cua » doanh cua, ban cua
than cau » toan cau, than cap, thanh chau
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 - canh manh cua ((tong cong) or (cong cong)) dan ((than cau) OR (phan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - canh manh cua ((tong cong) OR (cong cong)) dan ((than cau) OR (phan cau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - canh manh cua ((tong cong) or (cong cong)) dan ((than cau) OR (phan cau))".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - canh manh cua ((tong cong) or (cong cong)) dan ((than cau) OR (phan cau))*.