Perhaps you should try some spelling variations:
thung chung » truong chung, dung chung, thong nhung
chieu sang » chieu sach, chieu xanh, hieu lang
thuc nhung » phuc nhung, thu nhung, thuc chung
thieu anh » thien anh, chieu xanh, thien danh
cong tan » cong tac, cong san, cong thanh
tan phan » toan phan, than phan, van phan
phan cac » nhan cach, phan dau, phan lap

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 anh) or (chieu sang)) - tinh toan ((thuc nhung) or (thung chung)) cong tan phan cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu anh) OR (chieu sang)) - tinh toan ((thuc nhung) OR (thung chung)) cong tan phan cac.
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu anh) or (chieu sang)) - tinh toan ((thuc nhung) or (thung chung)) cong tan phan cac*.