Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
cua thuong » cua truong, cua phuong, ca thuong
cong thanh » dong thanh, cong trinh, truong thanh
hoc thieu » toc thieu, hoc hien
hanh tang » hanh trang, anh tang, hanh mang
tang cua » mang cua, hang cua, tang luan
cong tan » cong tac, cong san, cong ty
toan ban » van ban

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 - hanh tang cua thuong ((cong tan) or (cong thanh)) ((toan tap) OR (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - hanh tang cua thuong ((cong tan) OR (cong thanh)) ((toan tap) OR (toan ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - hanh tang cua thuong ((cong tan) or (cong thanh)) ((toan tap) OR (toan ban))".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - hanh tang cua thuong ((cong tan) or (cong thanh)) ((toan tap) OR (toan ban))*.