Perhaps you should try some spelling variations:
phuong huong » phuong duong, phuong luong, thuong phuong
thanh trung » thanh tung
doi chieu » doc hieu, doi chi, ho chieu
hoc thieu » toc thieu, hoc hien
va phuong » va thuong, cac phuong
trung va » truong va, trang va, trung ha
chan cao » chan cho, chat cao, toan cao
chay cao » cay cao, chat cao, nha cao

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doi chieu) or (hoc thieu)) sach - thanh trung va phuong huong dan ((chan cao) or (chay cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (hoc thieu)) sach - thanh trung va phuong huong dan ((chan cao) OR (chay cao)).
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) or (hoc thieu)) sach - thanh trung va phuong huong dan ((chan cao) or (chay cao))*.