Perhaps you should try some spelling variations:
tieng trung » truong trung
trung phan » trung thanh, trung ha, dung phan
phan thang » phan thanh, pham thang, phan than
doi chieu » doc hieu, doi chi, mot chieu
phan dang » phan dau, phan cong, nhan dan
thang cap » thong cap, than cap, trung cap
1 tieng » 2 tieng, tu tieng, va tieng
dang 1 » dang y, dang _, ang 1

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doi chieu) OR (toc thieu)) sach - phan dang 1 tieng trung phan thang cap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doi chieu) OR (toc thieu)) sach - phan dang 1 tieng trung phan thang cap".
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) OR (toc thieu)) sach - phan dang 1 tieng trung phan thang cap*.