Perhaps you should try some spelling variations:
trong thuong » thong thuong, trong tuong, cong thuong
thanh trung » thanh tung
thuong tham » tuong tham, thuong pham, thuong thay
hoc thieu » hoc hien
trung cua » truong cua, trung tuan, trung cap
cua trong » cua truong, cua trung, qua trong
tham doan » thai doan, chan doan, tap doan
doan van » doan va, hoang van, luan van

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 cua trong thuong tham doan van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (toc thieu)) sach - thanh trung cua trong thuong tham doan van.
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (toc thieu)) sach - thanh trung cua trong thuong tham doan van*.