Perhaps you should try some spelling variations:
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
theo chu » theo chieu, cho chu, chao chu
cong san » cong tac
san than » sang than, san thanh, ban than
than cap » khan cap, thanh lap, thanh cac

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo chu) or (hoc thieu)) sach - thanh ((trung cua) or (trung tuan)) thong cong san than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chu) OR (hoc thieu)) sach - thanh ((trung cua) OR (trung tuan)) thong cong san than cap.
• Adding a wildcard symbol may retrieve word variants: ((theo chu) or (hoc thieu)) sach - thanh ((trung cua) or (trung tuan)) thong cong san than cap*.