Perhaps you should try some spelling variations:
thanh trung » thanh tung
trung tuan » trung thanh, trung tam, tran tuan
dang trong » dung trong, dong trong, lang trong
tuan dang » tran dang, tuan bang, tuan dung
trong van » trong cac
ho chieu » theo chieu, hoc thieu, doi chieu
so lieu » so dieu
ban tap » bai tap, han tap, ban tai

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 (so lieu)) tinh - thanh trung tuan dang trong van ban tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (so lieu)) tinh - thanh trung tuan dang trong van ban tap*.