Perhaps you should try some spelling variations:
hanh trang » thanh trung, canh tranh, hanh trinh
nhung cong » dung cong, thong cong, hang cong
cua nhung » va nhung
ho chieu » theo chieu, hoc thieu, doi chieu
nhan dan » phan dau, gian dan, nhan tai
cong tac » cong ty
tac vang » cac van, tac dung, tac dong
vang cau » hang cau, van cau, bang cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo tieu) or (ho chieu)) sang - ((hanh trang) or (nhan dan)) cua nhung cong tac vang cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo tieu) OR (ho chieu)) sang - ((hanh trang) OR (nhan dan)) cua nhung cong tac vang cau.
• Adding a wildcard symbol may retrieve word variants: ((theo tieu) or (ho chieu)) sang - ((hanh trang) or (nhan dan)) cua nhung cong tac vang cau*.