Perhaps you should try some spelling variations:
thanh trung » thanh tung
hoc thieu » toc thieu, hoc hien
trung cua » truong cua, trung tuan, trung cap
ho chieu » theo chieu, doi chieu, mot chieu
nha tong » nha thong, nhan tong, nha dong
tong dan » tuong dan, thong dan, trong dan
toan tai » toan tap, doanh tai, toan cao
toan ban » van ban
cua nha » cua nhan, cua ngan

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) OR (hoc thieu)) tinh - thanh trung cua nha tong dan ((toan tai) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (hoc thieu)) tinh - thanh trung cua nha tong dan ((toan tai) OR (toan ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) OR (hoc thieu)) tinh - thanh trung cua nha tong dan ((toan tai) or (toan ban))".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) OR (hoc thieu)) tinh - thanh trung cua nha tong dan ((toan tai) or (toan ban))*.