Perhaps you should try some spelling variations:
nhung phuong » dung phuong, nhu phuong, truong phuong
chieu tinh » trieu tinh, lieu tinh, chau tinh
chieu sang » chieu sach, chieu xanh, hieu lang
phuong dan » phuong danh, phuong doan, huong dan
trung lap » trung cap, truong lam, truong lop
trung van » truong van, trong van, trung va
dan than » dan chan, ban than, van than
than cau » toan cau, phan cau, than 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 ((chieu tinh) or (chieu sang)) - hanh ((trung lap) or (trung van)) nhung phuong dan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu tinh) OR (chieu sang)) - hanh ((trung lap) OR (trung van)) nhung phuong dan than cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu tinh) or (chieu sang)) - hanh ((trung lap) or (trung van)) nhung phuong dan than cau*.