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
toan cao » toan ban, toan tap
va toan » van toan, bai toan, tap toan

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)) va toan cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chieu xanh - thanh trung tuan ((phuong thong) OR (thong thong)) va toan cao".
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - thanh trung tuan ((phuong thong) OR (thong thong)) va toan cao*.