Perhaps you should try some spelling variations:
thuat chuong » thuat cong, thuat hung, thuat song
thanh trung » thanh tung
trung thuat » trong thuat, thuong thuat, trung tuan
chuong cong » cuong cong, chong cong, chuong dong
cong ngang » cong nhan, cong quang, cong lang
ngang toan » nganh toan, dang toan, quang toan
ho trieu » mot trieu, 25 trieu, ho chieu
30 trieu » 25 trieu
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: ((ho trieu) or (30 trieu)) tinh - thanh trung thuat chuong cong ngang toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho trieu) OR (30 trieu)) tinh - thanh trung thuat chuong cong ngang toan cau.
• Adding a wildcard symbol may retrieve word variants: ((ho trieu) or (30 trieu)) tinh - thanh trung thuat chuong cong ngang toan cau*.