Perhaps you should try some spelling variations:
thiet danh » thien danh, thien anh, thien dang
hanh trang » thanh trung, canh tranh, hanh trinh
hoc thiet » hoc thieu, hoc thuyet, hoc hien
trang cua » tranh cua, tang cua, trung cua
cua khong » hua khong, cua phuong, cua thuong
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
toan tai » toan tap, doanh tai, toan cao
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thiet danh - hanh trang cua khong ((cong dan) or (cong san)) ((toan tai) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thiet danh - hanh trang cua khong ((cong dan) OR (cong san)) ((toan tai) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: hoc thiet danh - hanh trang cua khong ((cong dan) or (cong san)) ((toan tai) or (toan ban))*.