Perhaps you should try some spelling variations:
chiet tach » chieu sach
truong cao » truong dai
nhung cong » dung cong, thong cong, hang cong
truong va » truong dai, truong dao, luong va
ho chiet » ho chieu, ho thiet, hoc thiet
cong tan » cong tac, cong san, cong thanh
chan cau » can cau, chinh cau, nhanh cau
phan cau » phan dau, phan cac, phan tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chiet tach - thanh ((truong cao) or (truong va)) nhung cong tan ((chan cau) OR (phan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chiet tach - thanh ((truong cao) OR (truong va)) nhung cong tan ((chan cau) OR (phan cau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chiet tach - thanh ((truong cao) or (truong va)) nhung cong tan ((chan cau) OR (phan cau))".
• Adding a wildcard symbol may retrieve word variants: ho chiet tach - thanh ((truong cao) or (truong va)) nhung cong tan ((chan cau) OR (phan cau))*.