Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
thanh tung » thanh cong
nhung cong » dung cong, thong cong, hang cong
thanh toan » thanh hoa, thanh san, tinh toan
hien hanh » dieu hanh
cap nhung » cam nhung, vap nhung, dap nhung
manh toan » anh tuan, tinh toan
tung cap » trung cap, cung cap, thong cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((hien hanh) or (chieu sang)) - thanh tung cap nhung cong ((manh toan) or (thanh toan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien hanh) OR (chieu sang)) - thanh tung cap nhung cong ((manh toan) OR (thanh toan)) cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((hien hanh) or (chieu sang)) - thanh tung cap nhung cong ((manh toan) or (thanh toan)) cau*.