Perhaps you should try some spelling variations:
thanh trung » thanh tung
tuong thong » thong thong, tong thong, tuong tuong
chieu sach » chinh sach, chiet tach, chieu sang
hieu lang » chieu sang, hieu quang, nhieu tang
trung doi » trung dai, trong doi, trung do
doi tuong » moi truong, doi song
thong dan » thong van, tuong dan, thong den
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: ho ((chieu sach) or (hieu lang)) - thanh trung doi tuong thong dan phan cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sach) OR (hieu lang)) - thanh trung doi tuong thong dan phan cac.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sach) or (hieu lang)) - thanh trung doi tuong thong dan phan cac*.