Perhaps you should try some spelling variations:
tieng trung » truong trung
doi chieu » doc hieu, doi chi, mot chieu
phan cong » thanh cong
trung van » truong van, trong van, trung va
va tieng » va tinh, tu tieng, va thong
van than » van thanh, van thang, van tuan
than cap » khan cap, thanh lap, thanh cac
cong va » dong va, cong ha, cong tac

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 cong va tieng trung van than cap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doi chieu) OR (toc thieu)) sach - phan cong va tieng trung van than cap".
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) OR (toc thieu)) sach - phan cong va tieng trung van than cap*.