Perhaps you should try some spelling variations:
thanh tuong » thanh thuong, thanh tung, thanh huong
theo chieu » theo tieu, theo chu, thi chieu
hang huong » hang thuong, hang luong, hoang phuong
ho chieu » hoc thieu, doi chieu, mot chieu
tuong va » truong va, thuong va, luong va
va hang » van hang, va nang, va lang
cac cay » ca cay, cac cam, cac cap
cac cau » cac mau, bac cau, ca cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chieu) OR (theo chieu)) sach - thanh tuong va hang huong dan ((cac cay) or (cac cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (theo chieu)) sach - thanh tuong va hang huong dan ((cac cay) OR (cac cau))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) OR (theo chieu)) sach - thanh tuong va hang huong dan ((cac cay) or (cac cau))*".