Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hanh tang » hanh trang, anh tang, hanh mang
tran chau » tranh chap, tran huu
theo chu » theo chieu, cho chu, chao chu
chu sach » cau sach, thu sach, chieu sach
cong tan » cong tac, cong san, cong thanh
tran cau » toan cau, ran cau, tra cau
tang va » trang va, tang van, thang va

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chu sach - hanh tang va nhung cong tan ((tran cau) OR (tran chau))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chu sach - hanh tang va nhung cong tan ((tran cau) OR (tran chau))".
• Adding a wildcard symbol may retrieve word variants: theo chu sach - hanh tang va nhung cong tan ((tran cau) OR (tran chau))*.