Perhaps you should try some spelling variations:
truong cong » trong cong, truong dong, truong long
thieu xanh » chieu xanh, hieu manh, thien anh
chieu sach » chinh sach, chiet tach, chieu sang
van truong » tang truong, xuan truong, vien truong
hanh mang » nhanh mang, hanh trang, nhanh lang
mang van » dang van, tang van, lang van
dan toan » van toan, dan than, manh 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 ((thieu xanh) or (chieu sach)) - hanh mang van truong cong ((dan toan) or (tinh toan)) tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (chieu sach)) - hanh mang van truong cong ((dan toan) OR (tinh toan)) tap.
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) or (chieu sach)) - hanh mang van truong cong ((dan toan) or (tinh toan)) tap*.