Perhaps you should try some spelling variations:
thieu tinh » trieu tinh, chieu tinh, thien tinh
trung tuan » trung thanh, trung tam, truong thanh
thong cong » trong cong, tong cong, thong thong
hoc thieu » toc thieu, hoc hien
tran tuan » tran xuan, tran quang, tran thanh
cong tan » cong tac, cong san, cong thanh
than cap » khan cap, thanh lap, thanh cac
phan cac » nhan cach, phan dau, phan lap

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) OR (tran tuan)) thong cong tan ((than cap) or (phan cac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu tinh - thanh ((trung tuan) OR (tran tuan)) thong cong tan ((than cap) OR (phan cac)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu tinh - thanh ((trung tuan) OR (tran tuan)) thong cong tan ((than cap) or (phan cac))".
• Adding a wildcard symbol may retrieve word variants: hoc thieu tinh - thanh ((trung tuan) OR (tran tuan)) thong cong tan ((than cap) or (phan cac))*.