Perhaps you should try some spelling variations:
thong duong » tuong duong, thong dung, thong huong
thanh tung » thanh cong
khong mong » khong xuong, khong trong, thong muong
khong dong » khong dung, phong dong, thong dong
hieu lang » chieu sang, hieu quang, nhieu tang
hop hieu » hop nhieu, hoi hieu, hoc thieu
tung cua » trung cua, tuong cua, dung cua
dan chan » dan gian, dan ca, van chat
chan cau » phan cau, can cau, chinh cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: hop hieu lang - thanh tung cua ((((khong mong) or (khong dong))) or (thong duong)) dan chan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hop hieu lang - thanh tung cua ((((khong mong) OR (khong dong))) OR (thong duong)) dan chan cau.
• Adding a wildcard symbol may retrieve word variants: hop hieu lang - thanh tung cua ((((khong mong) or (khong dong))) or (thong duong)) dan chan cau*.