Perhaps you should try some spelling variations:
chap thuong » chan thuong, phan thuong, pham thuong
thanh trung » thanh tung
trung chap » trung cap, trung ha, tranh chap
hoc thieu » toc thieu, hoc hien
thong dan » thong van, tuong dan, thong den
trong ban » trong san, trong tan, trong quan
ho chieu » theo chieu, doi chieu, mot chieu
than cau » toan cau, phan cau, than cap

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 (hoc thieu)) sach - thanh trung chap thuong ((thong dan) or (trong ban)) than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (hoc thieu)) sach - thanh trung chap thuong ((thong dan) OR (trong ban)) than cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) OR (hoc thieu)) sach - thanh trung chap thuong ((thong dan) or (trong ban)) than cau".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) OR (hoc thieu)) sach - thanh trung chap thuong ((thong dan) or (trong ban)) than cau*.