Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
trung chap » trung cap, tranh chap, trung phan
tieu tinh » trieu tinh, tieu trinh, lieu tinh
trung ha » trung hoc, trung tam, trung cap
cong van » cong vang, cong san, song van
toan cau » toan ban, toan tap, toan tai
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu tinh - thanh ((trung chap) OR (trung ha)) thuong cong van ((toan cau) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu tinh - thanh ((trung chap) OR (trung ha)) thuong cong van ((toan cau) OR (toan cao)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu tinh - thanh ((trung chap) OR (trung ha)) thuong cong van ((toan cau) or (toan cao))".
• Adding a wildcard symbol may retrieve word variants: theo tieu tinh - thanh ((trung chap) OR (trung ha)) thuong cong van ((toan cau) or (toan cao))*.