Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hanh trang » thanh trung, canh tranh, hanh trinh
hanh tang » anh tang, hanh mang, hanh tung
cua nhung » va nhung
chu sach » cau sach, chieu sach, chuc hach
thu sach » tu sach, thuat sach, thuoc sach
cong tap » cuong tap, cong tac, cong tan
tap doan » tap quan
doan cau » toan cau, doan dau, doan cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chu sach) or (thu sach)) - ((hanh tang) OR (hanh trang)) cua nhung cong tap doan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chu sach) OR (thu sach)) - ((hanh tang) OR (hanh trang)) cua nhung cong tap doan cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chu sach) or (thu sach)) - ((hanh tang) OR (hanh trang)) cua nhung cong tap doan cau*".