Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
chieu sach » chinh sach, chiet tach, chieu sang
nhung cong » dung cong, thong cong, hang cong
khach san » khach hang, thanh san
cong san » cong tac
quan tap » quan lap, quan tam, quan tay
quan tai » quan tri, quang tri, quan li
san va » san van, ban va, dan 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 ((chieu tinh) or (chieu sach)) - khach san va nhung cong san ((quan tap) OR (quan tai))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu tinh) OR (chieu sach)) - khach san va nhung cong san ((quan tap) OR (quan tai)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu tinh) or (chieu sach)) - khach san va nhung cong san ((quan tap) OR (quan tai))".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu tinh) or (chieu sach)) - khach san va nhung cong san ((quan tap) OR (quan tai))*.