Perhaps you should try some spelling variations:
thieu tinh » trieu tinh, chieu tinh, thien tinh
trung tuan » trung thanh, trung tam, tran tuan
thong cong » trong cong, tong cong, thong thong
hoc thieu » toc thieu, hoc hien
dung cua » dung luan, dung cho
cong van » cong vang, cong san, song van
van phan » van phong, van thanh, luan phan

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 ((dung cua) or (trung tuan)) thong cong van phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu tinh - thanh ((dung cua) OR (trung tuan)) thong cong van phan tu.
• Adding a wildcard symbol may retrieve word variants: hoc thieu tinh - thanh ((dung cua) or (trung tuan)) thong cong van phan tu*.