Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
cong thanh » dong thanh, cong trinh, truong thanh
trinh cua » tinh cua, trinh luat, trinh quan
cua khong » hua khong, cua phuong, cua thuong
chi xanh » chi anh, chi danh, chi hanh
cong tan » cong tac, cong san, cong ty
toan cao » toan ban
toan tap » toan ban
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 chi xanh - hanh trinh cua khong ((cong tan) OR (cong thanh)) ((toan cao) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi xanh - hanh trinh cua khong ((cong tan) OR (cong thanh)) ((toan cao) OR (toan tap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chi xanh - hanh trinh cua khong ((cong tan) OR (cong thanh)) ((toan cao) or (toan tap))".
• Adding a wildcard symbol may retrieve word variants: doi chi xanh - hanh trinh cua khong ((cong tan) OR (cong thanh)) ((toan cao) or (toan tap))*.