Perhaps you should try some spelling variations:
phuong thong » phuong trong, phuong hoang, phuong dong
thanh trung » thanh tung
chieu xanh » chieu sach, chieu sang, chieu tinh
trung tuan » trung thanh, trung tam, tran tuan
hoc chieu » hoc thieu, ho chieu, hoc hien
tap toan » tap doan, tap quan, bai toan
toan cao » toan ban, toan tap

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 xanh - thanh trung tuan ((phuong thong) or (thong thong)) tap toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu xanh - thanh trung tuan ((phuong thong) OR (thong thong)) tap toan cao.
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - thanh trung tuan ((phuong thong) or (thong thong)) tap toan cao*.