Perhaps you should try some spelling variations:
luong thanh » muong thanh, truong thanh, dong thanh
dung luong » dung thuong, dung phuong, dung truong
trinh nhan » trinh han, trinh phan, trinh nha
thanh phan » thanh pho, thanh san, thanh toan
thieu anh » chieu xanh, thien danh, thieu nhi
thien anh » thien danh, tien anh, thien thanh
tinh than » tinh thanh, tinh toan, tinh thai
thuc dung » thuoc dung, thuy dung, tuc dung
phan cac » nhan cach, phan dau, phan lap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thieu anh) or (thien anh)) - ((trinh nhan) or (tinh than)) thuc dung luong thanh phan cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu anh) OR (thien anh)) - ((trinh nhan) OR (tinh than)) thuc dung luong thanh phan cac.
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu anh) or (thien anh)) - ((trinh nhan) or (tinh than)) thuc dung luong thanh phan cac*.