Perhaps you should try some spelling variations:
nhung cong » thong cong, hang cong, nhung don
hanh trinh » canh tranh, hanh chinh
trinh cua » tinh cua, trinh luat, trinh quan
dung cong » dung trong
chi xanh » chi anh, chi danh, chi hanh
dan toan » van toan, dan than, manh 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 ((nhung cong) OR (dung cong)) dan toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chi xanh - hanh trinh cua ((nhung cong) OR (dung cong)) dan toan cau".
• Adding a wildcard symbol may retrieve word variants: doi chi xanh - hanh trinh cua ((nhung cong) OR (dung cong)) dan toan cau*.