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 vap » trung cap, trung van, trung lap
tuong ban » tuong bang, trong ban, tuong dan
trung va » truong va, trang va, trung ha
ban than » ban thanh, van thanh, ban hang
than cap » khan cap, thanh lap, thanh 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 vap) or (trung va)) nhung tuong ban than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sang - thanh ((trung vap) OR (trung va)) nhung tuong ban than cap.
• Adding a wildcard symbol may retrieve word variants: hoc thieu sang - thanh ((trung vap) or (trung va)) nhung tuong ban than cap*.