Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
chieu tinh » trieu tinh, lieu tinh, chau tinh
chieu xanh » chieu sach, chieu sang
thanh tung » thanh cong
cap thuong » chap thuong, ca thuong, cao thuong
hieu manh » hieu nganh, dieu hanh, hien hanh
tung cap » trung cap, cung cap, thong cap
cong bai » cuong bai, cong hai, cung bai
tap cao » tap co, tao cao, tap cac

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((hieu manh) or (((chieu xanh) OR (chieu tinh)))) - thanh tung cap thuong cong bai tap cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hieu manh) OR (((chieu xanh) OR (chieu tinh)))) - thanh tung cap thuong cong bai tap cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hieu manh) or (((chieu xanh) OR (chieu tinh)))) - thanh tung cap thuong cong bai tap cao".
• Adding a wildcard symbol may retrieve word variants: hoc ((hieu manh) or (((chieu xanh) OR (chieu tinh)))) - thanh tung cap thuong cong bai tap cao*.