Perhaps you should try some spelling variations:
khong cong » thong cong, khong cang, chong cong
trinh cua » tinh cua, trinh quan, trinh luan
chi xanh » chi anh, chi danh, chi hanh
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan cau » toan cao, toan ban, toan tap
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) OR (trinh luat)) khong cong tan toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chi xanh - hanh ((trinh cua) OR (trinh luat)) khong cong tan toan cau".
• Adding a wildcard symbol may retrieve word variants: doi chi xanh - hanh ((trinh cua) OR (trinh luat)) khong cong tan toan cau*.