Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
nhung cong » dung cong, thong cong, hang cong
hoc chieu » hoc thieu, ho chieu, hoc hien
trung va » truong va, trung tam, trung cap
trung ha » trung hoc, trung tam, trung cap
trang va » tran van, hang va
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
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: hoc chieu sach - thanh ((((trung va) OR (trung ha))) or (trang va)) nhung cong tan toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu sach - thanh ((((trung va) OR (trung ha))) OR (trang va)) nhung cong tan toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chieu sach - thanh ((((trung va) OR (trung ha))) or (trang va)) nhung cong tan toan tap".
• Adding a wildcard symbol may retrieve word variants: hoc chieu sach - thanh ((((trung va) OR (trung ha))) or (trang va)) nhung cong tan toan tap*.