Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
nhanh lang » nhanh quang, nhanh thang, nhan dang
hanh mang » nhanh mang, hanh trang, thanh hang
cua thong » cua thuong, cua khong, cua tong
ho trieu » mot trieu, 25 trieu, ho chieu
30 trieu » 25 trieu
cong tap » cuong tap, cong tac, cong tan
tap quan » tac quan, hai quan
quan cao » quang cao, quan cau, quan ao

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 - ((hanh mang) or (nhanh lang)) cua thong cong tap quan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho trieu) OR (30 trieu)) tinh - ((hanh mang) OR (nhanh lang)) cua thong cong tap quan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho trieu) OR (30 trieu)) tinh - ((hanh mang) or (nhanh lang)) cua thong cong tap quan cao".
• Adding a wildcard symbol may retrieve word variants: ((ho trieu) OR (30 trieu)) tinh - ((hanh mang) or (nhanh lang)) cua thong cong tap quan cao*.