Perhaps you should try some spelling variations:
thanh truong » thanh trung, thanh thuong, thanh tung
chieu sang » chieu sach, chieu xanh, hieu lang
truong he » trong he, truong nghe, truong thi
tien anh » tieng anh, tien manh, dien anh
thong va » thong cua, truong va, thong qua
toan tap » toan ban
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 ((tien anh) or (chieu sang)) - thanh truong he thong thong va toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((tien anh) OR (chieu sang)) - thanh truong he thong thong va toan tap.
• Adding a wildcard symbol may retrieve word variants: hoc ((tien anh) or (chieu sang)) - thanh truong he thong thong va toan tap*.