Perhaps you should try some spelling variations:
thanh trung » thanh tung
thieu sang » thieu khang, thieu quang, hieu lang
chieu sang » chieu sach, chieu xanh, hieu lang
moi nhung » voi nhung, gioi nhung, khoi nhung
mon nhung » hon nhung, song nhung, hong nhung
tuong ban » tuong bang, trong ban, tuong dan
ban khan » ban than, ban nhan, ban chan
khan cap » khan ap, than cap, khoan cam

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