Perhaps you should try some spelling variations:
hoach dung » hoach quang, sach dung, hoc dung
nhung cong » dung cong, thong cong, hang cong
doi chieu » doc hieu, ho chieu, mot chieu
cua nhung » va nhung
ban hanhh » ban hang, ban thanh, van hanh
dung cua » dung luan, dung cho
ban hanh » ban hang
doi chi » doi khi

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doi chieu) or (doi chi)) tinh - hoach dung cua nhung cong ((ban hanh) or (ban hanhh)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (doi chi)) tinh - hoach dung cua nhung cong ((ban hanh) OR (ban hanhh)) cau.
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) or (doi chi)) tinh - hoach dung cua nhung cong ((ban hanh) or (ban hanhh)) cau*.