Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
thieu tinh » trieu tinh, chieu tinh, thien tinh
hoc thieu » toc thieu, hoc hien
cong dan » cong san, cong tan, huong dan
toan cau » toan cao, toan ban, toan tai
toan tap » toan ban
tung va » trung va, tuong va, vung va

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