Perhaps you should try some spelling variations:
nhanh thang » nhanh thanh, nhanh quang, hanh trang
lang cong » dang cong, bang cong, hang cong
thang va » hang va, trang va, thong va
cong tan » cong tac, cong san, cong thanh
theo te » theo tu, theo yeu
va lang » va nang, hoa lang
tan van » tran van, tang van, luan van

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo te) OR (theo tieu)) sach - nhanh thang va lang cong tan van ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo te) OR (theo tieu)) sach - nhanh thang va lang cong tan van ban".
• Adding a wildcard symbol may retrieve word variants: ((theo te) OR (theo tieu)) sach - nhanh thang va lang cong tan van ban*.