Perhaps you should try some spelling variations:
nhanh lang » nhanh quang, nhanh thang, nhan dang
cong luong » cong thuong, nang luong, cong dong
hanh mang » nhanh mang, hanh trang, thanh hang
luong van » luong va, duong van, luong vat
ho chieu » theo chieu, hoc thieu, doi chieu
van toan » van tuan, van tan, van thanh
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) or (ho chieu)) tinh - ((hanh mang) OR (nhanh lang)) cua cong luong van toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo tieu) OR (ho chieu)) tinh - ((hanh mang) OR (nhanh lang)) cua cong luong van toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo tieu) or (ho chieu)) tinh - ((hanh mang) OR (nhanh lang)) cua cong luong van toan cau".
• Adding a wildcard symbol may retrieve word variants: ((theo tieu) or (ho chieu)) tinh - ((hanh mang) OR (nhanh lang)) cua cong luong van toan cau*.