Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
anh thuong » anh huong, hang thuong, tnhh thuong
hieu manh » chieu xanh, hieu nganh, hien hanh
hanh tram » hanh tam, hanh trang, thanh tran
tram anh » tran anh, tam anh, tran manh
cong van » cong vang, cong san, song van
tuan cao » toan cao, quang cao, thuan cam
juan cao » quang cao, toan cao, quan cau

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 (dieu hanh)) - hanh tram anh thuong cong van ((tuan cao) or (juan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hieu manh) OR (dieu hanh)) - hanh tram anh thuong cong van ((tuan cao) OR (juan cao)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hieu manh) OR (dieu hanh)) - hanh tram anh thuong cong van ((tuan cao) or (juan cao))".
• Adding a wildcard symbol may retrieve word variants: hoc ((hieu manh) OR (dieu hanh)) - hanh tram anh thuong cong van ((tuan cao) or (juan cao))*.