Perhaps you should try some spelling variations:
truong trung » tieng trung
chieu sang » chieu sach, chieu xanh, hieu lang
hanh doanh » hang doanh, chinh doanh, doanh doanh
thu phuong » thi phuong, thu huong, theo phuong
hoc chieu » hoc thieu, ho chieu, hoc hien
doanh cua » doanh luan
toan ban » van ban
la toan » lap toan, va toan, le 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 sang - hanh doanh cua ((truong trung) or (thu phuong)) la toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu sang - hanh doanh cua ((truong trung) OR (thu phuong)) la toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc chieu sang - hanh doanh cua ((truong trung) or (thu phuong)) la toan ban*.