Perhaps you should try some spelling variations:
phuong cao » phuong thao, phuong cham, phuong cach
nhung cong » dung cong, thong cong, hang cong
phung cao » nhung cau, phung ho, nung cao
theo chu » theo chieu, cho chu, chao chu
chu sach » cau sach, thu sach, chieu sach
cong dan » cong san, cong tan, huong dan
dan chan » dan gian, dan ca, van chat
chan cau » phan cau, can cau, chinh cau

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 - thanh ((phuong cao) or (((phung cao) OR (phung van)))) nhung cong dan chan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu sach - thanh ((phuong cao) OR (((phung cao) OR (phung van)))) nhung cong dan chan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chu sach - thanh ((phuong cao) or (((phung cao) OR (phung van)))) nhung cong dan chan cau".
• Adding a wildcard symbol may retrieve word variants: theo chu sach - thanh ((phuong cao) or (((phung cao) OR (phung van)))) nhung cong dan chan cau*.