Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
lanh tranh » lan tranh, hanh trinh, sach tranh
cua thuong » cua truong, cua phuong, ca thuong
hoc thieu » toc thieu, hoc hien
cua tong » cua cong, cua dong, cua nong
cong tac » cong ty
tac pham » thuc pham, san pham
pham cau » phan cau, pham ca, pham can

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