Perhaps you should try some spelling variations:
thanh trung » thanh tung
thieu sang » chieu sang, thieu khang, thieu quang
hoc thieu » toc thieu, hoc hien
trung moi » truong moi, trong moi, trung mot
moi nhung » voi nhung, mon nhung, gioi nhung
tuong dan » huong dan, tung dan, xuong dan
trong ban » trong san, trong tan, trong quan
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 - thanh trung moi nhung ((tuong dan) or (trong ban)) khan cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sang - thanh trung moi nhung ((tuong dan) OR (trong ban)) khan cap.
• Adding a wildcard symbol may retrieve word variants: hoc thieu sang - thanh trung moi nhung ((tuong dan) or (trong ban)) khan cap*.