Perhaps you should try some spelling variations:
duong trong » dung trong
hanh trinh » canh tranh, hanh chinh
tieu xanh » tieu danh, chieu xanh, dieu hanh
hanh mang » nhanh mang, hanh trang, nhanh lang
cua duong » cua dong, cua huong, qua duong
trong anh » truong anh, trong nganh, trong doanh
tuan cau » toan cau, quan cau, thuan cam
tuan cu » tuan tu, quan cua, tuan thu

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 mang) or (hanh trinh)) cua duong trong anh ((tuan cau) or (tuan cu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - ((hanh mang) OR (hanh trinh)) cua duong trong anh ((tuan cau) OR (tuan cu)).
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - ((hanh mang) or (hanh trinh)) cua duong trong anh ((tuan cau) or (tuan cu))*.