Perhaps you should try some spelling variations:
trung cong » truong cong, trong cong, trung uong
dung trung » dung trong, quang trung, dung ung
hanh dang » hanh dong, anh dang, hanh dung
dang dung » dan dung, dang hung, dang quang
cong hach » cong sach, cong thanh, cong khanh
hach toan » thanh toan, manh toan
doc hieu » toc thieu, hoc thieu, hoc hien
theo chu » theo chieu, cho chu, theo yeu
chao chu » cho chu, cua chu, cao cho
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: ((doc hieu) or (((theo chu) or (chao chu)))) xanh - hanh dang dung trung cong hach toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doc hieu) OR (((theo chu) OR (chao chu)))) xanh - hanh dang dung trung cong hach toan ban.
• Adding a wildcard symbol may retrieve word variants: ((doc hieu) or (((theo chu) or (chao chu)))) xanh - hanh dang dung trung cong hach toan ban*.