Perhaps you should try some spelling variations:
khien tinh » thien tinh, khien thich, bien tinh
hanh trung » thanh trung, hanh trang, manh trung
hoc khien » hoc hien, hoc nghien, hoc thieu
trung tai » truong tai, trung tam, trung dai
tai trong » tai truong, tai trung, tai cong
cong ban » cong bang, cong san, cong tan
ban khan » ban than, ban nhan, ban chan
khan cap » khan ap, than cap, khoan cam

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc khien tinh - hanh trung tai trong cong ban khan cap~.
• Adding a wildcard symbol may retrieve word variants: hoc khien tinh - hanh trung tai trong cong ban khan cap*.