Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hieu manh » chieu xanh, hieu nganh, dieu hanh
hang cong » dang cong, hang nong, bang cong
anh nang » ganh nang, anh bang, anh dang
nang cua » mang cua, hang cua, nang dua
cua hang » cua dang, cua nhung, cua cong
cong dan » cong san, cong tan, huong dan
toan cau » toan ban, toan tap, toan tai
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)) - anh nang cua hang cong dan ((toan cau) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((hieu manh) OR (chieu sach)) - anh nang cua hang cong dan ((toan cau) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: theo ((hieu manh) or (chieu sach)) - anh nang cua hang cong dan ((toan cau) or (toan cao))*.