Perhaps you should try some spelling variations:
manh truong » manh trung, manh tuong, anh truong
theo chieu » theo tieu, theo chu, thi chieu
truong va » truong dai, truong cao, truong dao
thong dan » thong van, tuong dan, trong dan
thong den » thong dien, tuong den, thong dieu
ho chieu » hoc thieu, mot chieu, doi chieu
va thong » va thuong, va phuong, he thong
phan tap » phan lap, han tap, pha tap

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) OR (ho chieu)) sach - manh truong va thong ((thong dan) or (thong den)) phan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (ho chieu)) sach - manh truong va thong ((thong dan) OR (thong den)) phan tap*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) OR (ho chieu)) sach - manh truong va thong ((thong dan) or (thong den)) phan tap*".