Perhaps you should try some spelling variations:
trong chong » trong chuong, trong cong, trong phong
chieu xanh » chieu sach, chieu sang, chieu tinh
trung tuan » trung thanh, trung tam, tran tuan
trung cua » truong cua, trung cap, dung cua
chong bai » cuong bai, thong bai, chong lai
ho chieu » theo chieu, hoc thieu, doi chieu
bai toan » bai tap
toan cau » 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: ho chieu xanh - thanh ((trung cua) or (trung tuan)) trong chong bai toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - thanh ((trung cua) OR (trung tuan)) trong chong bai toan cau.
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - thanh ((trung cua) or (trung tuan)) trong chong bai toan cau*.