Perhaps you should try some spelling variations:
thanh trung » thanh tung
nhieu tang » nhiet nang
chieu sang » chieu sach, chieu xanh
hieu lang » hieu quang, hieu van, biet lang
trung cao » truong cao, trung cap, trung co
dang cong » dung cong
cong dan » cong san, cong tan, huong dan
dan phan » doan phan, dan chan, van phan
phan cac » nhan cach, phan dau, phan lap

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((nhieu tang) or (((chieu sang) OR (hieu lang)))) - thanh trung cao dang cong dan phan cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((nhieu tang) OR (((chieu sang) OR (hieu lang)))) - thanh trung cao dang cong dan phan cac.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((nhieu tang) or (((chieu sang) OR (hieu lang)))) - thanh trung cao dang cong dan phan cac".
• Adding a wildcard symbol may retrieve word variants: doi ((nhieu tang) or (((chieu sang) OR (hieu lang)))) - thanh trung cao dang cong dan phan cac*.