Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hoang manh » hoang minh, hoang anh, hoang xanh
thong than » thong thanh, thong phan, thong nhan
hieu manh » chieu xanh, hieu nganh, dieu hanh
cua thong » cua thuong, cua khong, cua tong
than toan » thanh toan, than tuan, thuat toan
manh cua » doanh cua, ban cua
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((hieu manh) OR (chieu sach)) - hoang manh cua thong thong than toan cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((hieu manh) OR (chieu sach)) - hoang manh cua thong thong than toan cao".
• Adding a wildcard symbol may retrieve word variants: theo ((hieu manh) OR (chieu sach)) - hoang manh cua thong thong than toan cao*.