Perhaps you should try some spelling variations:
chieu sach » chiet tach, chieu sang, chieu xanh
thong cong » trong cong, tong cong, thong thong
hanh mang » nhanh mang, hanh trang, nhanh lang
cua thong » cua thuong, cua khong, cua tong
thanh lap » thanh san, phan lap, thanh hai
mang cua » manh cua, dung cua, ban cua
cong tac » cong ty
than cap » khan cap, thanh cac, than cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chieu sach) or (chinh sach)) - hanh mang cua thong cong tac ((than cap) OR (thanh lap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu sach) OR (chinh sach)) - hanh mang cua thong cong tac ((than cap) OR (thanh lap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu sach) or (chinh sach)) - hanh mang cua thong cong tac ((than cap) OR (thanh lap))".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sach) or (chinh sach)) - hanh mang cua thong cong tac ((than cap) OR (thanh lap))*.