Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
chieu tinh » trieu tinh, chau tinh, kieu tinh
nhanh tinh » nhanh thanh, hanh trinh, nhan sinh
cua thuong » cua truong, cua phuong, ca thuong
lieu tinh » trieu tinh, diep tinh, bien tinh
tinh cua » trinh cua, sinh cua, tinh chat
cong dan » cong san, cong tan, huong dan
toan tap » toan ban
toan cao » toan ban

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

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