Perhaps you should try some spelling variations:
nhan tinh » nhanh tinh, nhan sinh, nhai tinh
hanh tang » hanh trang, anh tang, hanh mang
tang luan » dung luan
van thanh » ban thanh, van tuan
nha tinh » nhai tinh, nhac tinh, nhap tinh
luan ban » luan van, luan san, luan han
ban cong » bang cong, van cong, phan cong
tan toan » tan tran, tap toan, van toan

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: thep ((nha tinh) OR (nhan tinh)) - hanh tang luan ban cong ((tan toan) or (van thanh)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thep ((nha tinh) OR (nhan tinh)) - hanh tang luan ban cong ((tan toan) OR (van thanh)) cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thep ((nha tinh) OR (nhan tinh)) - hanh tang luan ban cong ((tan toan) or (van thanh)) cao".
• Adding a wildcard symbol may retrieve word variants: thep ((nha tinh) OR (nhan tinh)) - hanh tang luan ban cong ((tan toan) or (van thanh)) cao*.