Perhaps you should try some spelling variations:
thong trong » thuong trong, thong thong, thong thuong
thanh trung » thanh tung
chieu sang » chieu sach, chieu xanh, hieu lang
trong danh » trong doanh, truong danh, trong anh
tam thong » tam thuong, tao thong, nam thong
danh toan » manh toan, anh toan, dan toan
toan cao » toan ban, toan tap
hieu va » lieu va, hieu qua

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: ho ((chieu sang) OR (hieu va)) - thanh trung tam thong trong danh toan cao~.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sang) or (hieu va)) - thanh trung tam thong trong danh toan cao*.