Perhaps you should try some spelling variations:
thieu sach » chieu sach, thien hach, hieu cach
hanh trung » thanh trung, hanh trang, danh trung
manh trung » manh tung, thanh trung, manh hung
thanh hung » thanh huong, thanh tung, thanh trung
hoc thieu » toc thieu, hoc hien
hung cong » nhung cong, hung cuong, phung cong
cong van » cong vang, cong san, song van
tuan ban » tuan bang, luan ban, quang ban
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 trung) OR (manh trung)) thanh hung cong van ((tuan ban) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sach - ((hanh trung) OR (manh trung)) thanh hung cong van ((tuan ban) OR (toan ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu sach - ((hanh trung) OR (manh trung)) thanh hung cong van ((tuan ban) or (toan ban))".
• Adding a wildcard symbol may retrieve word variants: hoc thieu sach - ((hanh trung) OR (manh trung)) thanh hung cong van ((tuan ban) or (toan ban))*.