Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
thieu xanh » chieu xanh, hieu manh, thien anh
hoc thieu » toc thieu, hoc hien
trung cua » truong cua, trung tuan, dung cua
trung cap » truong cao, trung tam
gian chau » gian cham, gian cua, gian cac
cong dan » cong san, cong tan, huong dan
gian cau » gian cac, gian cam, gian cu

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