Perhaps you should try some spelling variations:
thanh trung » thanh tung
cong thanh » dong thanh, cong trinh, cong tan
hoc thieu » hoc hien
bang cong » dang cong, bang song, hang cong
thanh lap » thanh san, phan lap, thanh hai
tam bang » tao bang, tam ban, thai bang
than cap » khan cap, thanh cac, than cua

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