Perhaps you should try some spelling variations:
thieu sach » chieu sach, thien hach, hieu cach
hanh trang » thanh trung, canh tranh, hanh trinh
trang quan » trong quan, tang quan, trang tuan
hoc thieu » toc thieu, hoc hien
nhung van » phung van, nhung bai, nhung cau
dang cong » dung cong
toan cau » toan cao, toan tap, toan tai
toan ban » van 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 thieu sach - hanh trang quan ((nhung van) or (dang cong)) van ((toan cau) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sach - hanh trang quan ((nhung van) OR (dang cong)) van ((toan cau) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: hoc thieu sach - hanh trang quan ((nhung van) or (dang cong)) van ((toan cau) or (toan ban))*.