Perhaps you should try some spelling variations:
tuong cong » truong cong, trong cong, tong cong
hanh tang » hanh trang, anh tang, hanh mang
dai tuong » dai cuong, doi tuong, dai duong
chi tach » chiu trach, chiet tach, chi thanh
tang dai » tang tai, tang dan, lang dai
cong dan » cong san, cong tan, huong dan
toan cau » toan cao, toan tap, toan tai
toan ban » van ban
doi chi » doi khi

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chi tach - hanh tang dai tuong cong dan ((toan cau) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi tach - hanh tang dai tuong cong dan ((toan cau) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: doi chi tach - hanh tang dai tuong cong dan ((toan cau) or (toan ban))*.