Perhaps you should try some spelling variations:
nhung phuong » dung phuong, nhu phuong, truong phuong
thieu sang » chieu sang, thieu khang, thieu quang
truong cua » truong ca, truong quan, truong cao
thanh toan » thanh hoa, thanh san, tinh toan
hoc thieu » toc thieu, hoc hien
trung cua » trung tuan, trung cap, dung cua
manh toan » anh tuan, tinh toan

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