Perhaps you should try some spelling variations:
thanh trung » thanh tung
thieu tinh » trieu tinh, chieu tinh, thien tinh
trung tuan » trung thanh, trung tam, tran tuan
hoc thieu » toc thieu, hoc hien
cong cong » trong cong, dung cong, dang cong
tan toan » tan tran, tap toan, van toan
toan cao » toan ban, toan tap

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 tinh - thanh trung tuan ((cong cong) or (cong dong)) tan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu tinh - thanh trung tuan ((cong cong) OR (cong dong)) tan toan cao.
• Adding a wildcard symbol may retrieve word variants: hoc thieu tinh - thanh trung tuan ((cong cong) or (cong dong)) tan toan cao*.