Perhaps you should try some spelling variations:
hanh trang » thanh trung, canh tranh, hanh trinh
hoc chieu » hoc thieu, hoc hien, hoc dieu
bang cong » dang cong, bang song, hang cong
thanh lap » thanh san, phan lap, thanh hai
ho chieu » theo chieu, hoc thieu, doi chieu
trang va » tran van, hang va
cong dan » cong san, cong tan, huong dan
than cua » nhan cua, thai cua, ban cua
va bang » va nang, va lang, va ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc chieu) OR (ho chieu)) sach - hanh trang va bang cong dan ((than cua) or (thanh lap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc chieu) OR (ho chieu)) sach - hanh trang va bang cong dan ((than cua) OR (thanh lap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc chieu) OR (ho chieu)) sach - hanh trang va bang cong dan ((than cua) or (thanh lap))".
• Adding a wildcard symbol may retrieve word variants: ((hoc chieu) OR (ho chieu)) sach - hanh trang va bang cong dan ((than cua) or (thanh lap))*.