Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
tong thong » thong thong, dong thong, cong thong
thong dan » thong van, tuong dan, thong den
van manh » van minh, van anh, van hanh
manh cua » doanh cua, ban cua
cua tong » cua cong, cua dong, cua nong
phan cau » phan dau, phan cac, phan lap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((toc thieu) or (theo chieu)) sach - van manh cua tong thong dan ((phan cau) OR (phan tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((toc thieu) OR (theo chieu)) sach - van manh cua tong thong dan ((phan cau) OR (phan tu)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((toc thieu) or (theo chieu)) sach - van manh cua tong thong dan ((phan cau) OR (phan tu))".
• Adding a wildcard symbol may retrieve word variants: ((toc thieu) or (theo chieu)) sach - van manh cua tong thong dan ((phan cau) OR (phan tu))*.