Perhaps you should try some spelling variations:
theo chieu » theo tieu, theo chu, thi chieu
lanh manh » lanh tranh, lan anh, van manh
lang cong » bang cong, hang cong, lang dong
dang cong » dung cong
ho chieu » hoc thieu, doi chieu, mot chieu
gian cao » gian cac, gian co, giai cao
manh va » hanh va, anh va, minh va

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 - lanh manh va ((lang cong) OR (dang cong)) dan gian cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (theo chieu)) sach - lanh manh va ((lang cong) OR (dang cong)) dan gian cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) or (theo chieu)) sach - lanh manh va ((lang cong) OR (dang cong)) dan gian cao".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (theo chieu)) sach - lanh manh va ((lang cong) OR (dang cong)) dan gian cao*.