Perhaps you should try some spelling variations:
thanh trung » thanh tung
thuong con » thuong dong, truong cong, thong cong
hanh tang » hanh trang, anh tang, hanh mang
theo yeu » theo tieu, thiet yeu, theo chu
yeu tinh » yeu tin, lieu tinh, kieu tinh
tan toan » tan tran, tap toan, van toan
toan cao » toan ban, toan tap
con tan » cong tan, con than, con tap

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

• If you are trying to use Boolean operators, they must be ALL CAPS: theo yeu tinh - ((hanh tang) OR (thanh trung)) va thuong con tan toan cao~.
• Adding a wildcard symbol may retrieve word variants: theo yeu tinh - ((hanh tang) or (thanh trung)) va thuong con tan toan cao*.