Perhaps you should try some spelling variations:
thanh toan » thanh hoa, thanh san, tinh toan
thong cong » trong cong, tong cong, thong thong
hoc thieu » toc thieu, hoc hien
doi chieu » doc hieu, doi chi, ho chieu
hanh tram » hanh tam, hanh trang, thanh tran
va thong » va thuong, va phuong, he thong
cong san » cong tac
san toan » van toan, dan toan, manh toan
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: ((hoc thieu) OR (doi chieu)) xanh - ((hanh tram) OR (thanh toan)) va thong cong san toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc thieu) OR (doi chieu)) xanh - ((hanh tram) OR (thanh toan)) va thong cong san toan cau".
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) OR (doi chieu)) xanh - ((hanh tram) OR (thanh toan)) va thong cong san toan cau*.