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