Perhaps you should try some spelling variations:
nhung phuong » dung phuong, nhu phuong, truong phuong
truong quan » trong quan, thong quan, luong quan
chieu sang » chieu sach, chieu xanh, hieu lang
chieu tinh » trieu tinh, lieu tinh, chau tinh
truong cua » truong ca, truong cao, huong cua
phuong van » phung van, phong van, phuong lan
van toan » van tuan, van tan, van thanh
toan tap » toan ban

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 sang) or (chieu tinh)) - hanh ((truong cua) OR (truong quan)) nhung phuong van toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu sang) OR (chieu tinh)) - hanh ((truong cua) OR (truong quan)) nhung phuong van toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((chieu sang) or (chieu tinh)) - hanh ((truong cua) OR (truong quan)) nhung phuong van toan tap".
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu sang) or (chieu tinh)) - hanh ((truong cua) OR (truong quan)) nhung phuong van toan tap*.