Perhaps you should try some spelling variations:
hanh trang » thanh trung, canh tranh, hanh trinh
nhung cong » dung cong, thong cong, hang cong
hoc chieu » hoc thieu, ho chieu, hoc dieu
gian bana » gian ban, gian dan, gian lan
gian lang » gian dan
trang va » tran van, hang va
cong dan » cong san, cong tan, huong dan

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 (hoc hien)) sach - hanh trang va nhung cong dan ((gian bana) OR (gian lang))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc chieu) OR (hoc hien)) sach - hanh trang va nhung cong dan ((gian bana) OR (gian lang)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc chieu) or (hoc hien)) sach - hanh trang va nhung cong dan ((gian bana) OR (gian lang))".
• Adding a wildcard symbol may retrieve word variants: ((hoc chieu) or (hoc hien)) sach - hanh trang va nhung cong dan ((gian bana) OR (gian lang))*.