Perhaps you should try some spelling variations:
thanh trung » thanh tung
hoc thieu » toc thieu, hoc hien
trung van » truong van, trong van, trung va
dung cong » dung trong
ho chieu » theo chieu, doi chieu, mot chieu
van dung » van dong, xay dung, tin dung
cong san » cong tac
phan dau » phan tu, hang dau
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chieu) OR (hoc thieu)) sach - thanh trung van dung cong san ((phan dau) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (hoc thieu)) sach - thanh trung van dung cong san ((phan dau) OR (toan tap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) OR (hoc thieu)) sach - thanh trung van dung cong san ((phan dau) or (toan tap))".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) OR (hoc thieu)) sach - thanh trung van dung cong san ((phan dau) or (toan tap))*.