Perhaps you should try some spelling variations:
thanh trong » thanh trung, tranh trong, hanh trong
theo chieu » theo tieu, ho chieu, thi chieu
trong tac » trong cac, tuong tac, trong tan
dung cong » dung trong
lan chinh » luan chinh, van chinh, hanh chinh
chinh can » chinh ca, chinh ban, chinh cau
theo chu » cho chu, chao chu, theo yeu
tac dung » sach dung, xay dung, tin dung
cong lan » cong luan, cong lang, cong san

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo chieu) or (theo chu)) sach - thanh trong tac dung cong lan chinh can~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (theo chu)) sach - thanh trong tac dung cong lan chinh can.
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (theo chu)) sach - thanh trong tac dung cong lan chinh can*.