Perhaps you should try some spelling variations:
thong duong » tuong duong, thong dung, thong huong
thanh tung » thanh cong
tung toan » dung toan, truong toan, quang toan
duong van » duong va, luong va, dang van
thanh cac » hanh cac, thanh bac, thanh ca
than cap » khan cap, thanh lap, than cua
so lieu » so dieu
co lieu » cot lieu, co hieu, cu lieu

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((so lieu) or (co lieu)) tinh - thanh tung toan thong duong van ((than cap) or (thanh cac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((so lieu) OR (co lieu)) tinh - thanh tung toan thong duong van ((than cap) OR (thanh cac)).
• Adding a wildcard symbol may retrieve word variants: ((so lieu) or (co lieu)) tinh - thanh tung toan thong duong van ((than cap) or (thanh cac))*.