Perhaps you should try some spelling variations:
trung thanh » truong thanh
thieu sang » chieu sang, thieu khang, thieu quang
trung tuan » trung tam, tran tuan, truong thanh
hoc thieu » toc thieu, hoc hien
nong van » song van, nong san, tong van
nong dan » cong dan, nong san, nguong dan
than cao » toan cao, thai cao, than cap

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 tuan) or (trung thanh)) hang ((nong van) OR (nong dan)) than cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sang - thanh ((trung tuan) OR (trung thanh)) hang ((nong van) OR (nong dan)) than cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu sang - thanh ((trung tuan) or (trung thanh)) hang ((nong van) OR (nong dan)) than cao".
• Adding a wildcard symbol may retrieve word variants: hoc thieu sang - thanh ((trung tuan) or (trung thanh)) hang ((nong van) OR (nong dan)) than cao*.