Perhaps you should try some spelling variations:
thanh toan » thanh hoa
hanh trung » thanh trung, hanh trang, manh trung
thiet yeu » thiet ke, theo yeu
trung cap » truong cao, trung tam
dong cong » duong cong, dung cong, dang cong
yeu tinh » yeu tin, lieu tinh, kieu tinh
cap dong » cao dong, cau dong, ca dong

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

• Performing a fuzzy search may retrieve terms with similar spellings: thiet yeu tinh - hanh trung cap dong cong ((tinh toan) or (((thanh toan) or (thanh san)))) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thiet yeu tinh - hanh trung cap dong cong ((tinh toan) OR (((thanh toan) OR (thanh san)))) cau.
• Adding a wildcard symbol may retrieve word variants: thiet yeu tinh - hanh trung cap dong cong ((tinh toan) or (((thanh toan) or (thanh san)))) cau*.