Perhaps you should try some spelling variations:
theo chieu » theo tieu, theo chu, thi chieu
thanh tung » thanh cong
bang cong » dang cong, bang song, hang cong
thanh hai » thanh phan, thanh hoa, thanh san
ho chieu » hoc thieu, doi chieu, mot chieu
tung cao » nung cao, truong cao, trung cap
cao bang » cao dang, cao tang, cao nang
cong dan » cong san, cong tan, huong dan
toan cau » toan cao, toan ban, toan tap

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