Perhaps you should try some spelling variations:
trien minh » trien kinh, tien minh, trieu minh
chieu sang » chieu sach, chieu xanh, hieu lang
hanh trung » thanh trung, hanh trang, manh trung
trung tuan » trung thanh, trung tam, tran tuan
tuan thong » toan thong, tran thong, tuan phong
thong dan » thong van, tuong dan, thong den
dan chan » dan gian, dan ca, van chat
chan dau » phan dau, han dau, chan doan

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((trien minh) OR (chieu sang)) - hanh trung tuan thong thong dan chan dau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((trien minh) OR (chieu sang)) - hanh trung tuan thong thong dan chan dau".
• Adding a wildcard symbol may retrieve word variants: hoc ((trien minh) OR (chieu sang)) - hanh trung tuan thong thong dan chan dau*.