Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sang » chieu sach, chieu xanh, hieu lang
tran thong » tran hong, tran trong, tran phong
thong danh » thong dan, thong lanh, trong danh
tuan dang » tran dang, tuan bang, tuan dung
ho chieu » theo chieu, hoc thieu, doi chieu
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu sang - thanh trung ((tran thong) or (toan thong)) thong danh ((toan ban) or (tuan dang))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - thanh trung ((tran thong) OR (toan thong)) thong danh ((toan ban) OR (tuan dang)).
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - thanh trung ((tran thong) or (toan thong)) thong danh ((toan ban) or (tuan dang))*.