Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
cua nhung » va nhung
khi hanh » thi hanh, chi hanh, chi nhanh
hanh dan » thanh dan, hanh san, canh dan
cong san » cong tac
san than » sang than, san thanh, ban than
than cap » khan cap, thanh lap, thanh cac
dan cua » dan ca, ban cua, dai cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((khi hanh) or (thi thanh)) - hanh dan cua nhung cong san than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((khi hanh) OR (thi thanh)) - hanh dan cua nhung cong san than cap.
• Adding a wildcard symbol may retrieve word variants: doi ((khi hanh) or (thi thanh)) - hanh dan cua nhung cong san than cap*.