Perhaps you should try some spelling variations:
hanh trung » thanh trung, hanh trang, manh trung
tuong cong » truong cong, trong cong, tong cong
hoc thieu » toc thieu, hoc hien
van thanh » ban thanh
ho chieu » theo chieu, doi chieu, mot chieu
trung ha » trung hoc, trung tam, trung cap
ha tuong » va tuong, ba tuong, sa tuong
van tuan » van quan, van ban, anh tuan

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