Perhaps you should try some spelling variations:
thanh trung » thanh tung
hoc thieu » toc thieu, hoc hien
trung cua » truong cua, trung tuan, trung cap
tong cong » trong cong, cong cong, dung cong
doc hieu » toc thieu, hoc hien
theo chu » theo chieu, cho chu, chao chu
cua tong » cua cong, cua dong, cua nong
cong ban » cong bang, cong san, cong tan
ban khan » ban than, ban nhan, ban chan
khan ap » khan cap, han ap, khan dam

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doc hieu) or (((hoc thieu) or (theo chu)))) xanh - thanh trung cua tong cong ban khan ap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doc hieu) OR (((hoc thieu) OR (theo chu)))) xanh - thanh trung cua tong cong ban khan ap.
• Adding a wildcard symbol may retrieve word variants: ((doc hieu) or (((hoc thieu) or (theo chu)))) xanh - thanh trung cua tong cong ban khan ap*.