Perhaps you should try some spelling variations:
nhung tuong » nhung huong, nhung phuong, hung vuong
thieu sang » chieu sang, thieu khang, thieu quang
hoc thieu » toc thieu, hoc hien
trung mon » trung moi, trung mot, trung uong
trung son » truong son, trung uong, trung hoc
tuong ban » tuong bang, trong ban, tuong dan
than cap » thanh lap, thanh cac, than cua
khan cap » khan ap, khoan cam, phan cac

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 - thanh ((trung mon) or (trung son)) nhung tuong ban ((than cap) OR (khan cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sang - thanh ((trung mon) OR (trung son)) nhung tuong ban ((than cap) OR (khan cap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu sang - thanh ((trung mon) or (trung son)) nhung tuong ban ((than cap) OR (khan cap))".
• Adding a wildcard symbol may retrieve word variants: hoc thieu sang - thanh ((trung mon) or (trung son)) nhung tuong ban ((than cap) OR (khan cap))*.