Perhaps you should try some spelling variations:
thieu quang » hieu quang, thien quan, trien quang
chieu sang » chieu sach, chieu xanh, hieu lang
thanh tung » thanh cong
tran thong » toan thong, tran hong, tran trong
thong hung » thong huong, thong nhung, thuong hung
tung tran » trung tran, hung tran, huong tran
hung anh » hung manh, hong anh, phuong anh
tuan cau » toan cau, quan cau, tuan cu

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((chieu sang) or (thieu quang)) - thanh tung tran thong hung anh tuan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu sang) OR (thieu quang)) - thanh tung tran thong hung anh tuan cau*.