Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
thi hanh » thi thanh
lang cua » mang cua, hang cua, long cua
dong cua » dung cua, cong cua, huong cua
cong san » cong tac
than cap » thanh lap, thanh cac, than cua
khan cap » khan ap, khoan cam, phan cac
doi thi » doi thoi, do thi, 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 thi hanh - nhanh ((lang cua) or (dong cua)) nhung cong san ((than cap) OR (khan cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi thi hanh - nhanh ((lang cua) OR (dong cua)) nhung cong san ((than cap) OR (khan cap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi thi hanh - nhanh ((lang cua) or (dong cua)) nhung cong san ((than cap) OR (khan cap))".
• Adding a wildcard symbol may retrieve word variants: doi thi hanh - nhanh ((lang cua) or (dong cua)) nhung cong san ((than cap) OR (khan cap))*.