Perhaps you should try some spelling variations:
truong trung » tieng trung
trung thanh » truong thanh
thieu sang » chieu sang, thieu khang, thieu quang
hang luong » nang luong, hang thuong, hoang vuong
hoc thieu » toc thieu, hoc hien
luong bao » luong dao, luong cao, luong bac
bao toan » bai toan, bao ton, bao thang
toan cao » toan ban, toan tap

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 ((truong trung) or (trung thanh)) hang luong bao toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sang - thanh ((truong trung) OR (trung thanh)) hang luong bao toan cao.
• Adding a wildcard symbol may retrieve word variants: hoc thieu sang - thanh ((truong trung) or (trung thanh)) hang luong bao toan cao*.