Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
nhung nang » nhung bang, nhung cang, nhung van
nhung lang » nhung van, nhanh lang, nhung cong
luong toan » luong thanh, truong toan, luong tai
tieu xanh » tieu danh, chieu xanh, dieu hanh
trinh va » trinh van, trinh vat, trinh ve
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu xanh - hanh trinh va ((nhung nang) OR (nhung lang)) luong toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu xanh - hanh trinh va ((nhung nang) OR (nhung lang)) luong toan cau".
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - hanh trinh va ((nhung nang) OR (nhung lang)) luong toan cau*.