Perhaps you should try some spelling variations:
nhanh thang » nhanh thanh, nhanh quang, hanh trang
tieu sach » chieu sach, dien sach, te sach
thang van » tang van, thanh van, thong van
nang cong » nang song, dang cong, bang cong
van nang » van quang, van ban, van dong
tan van » tang van, dang van, tan tran
luan » quan, lan

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu sach - nhanh thang van nang cong ((tan van) or (((tran van) OR (luan van)))) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu sach - nhanh thang van nang cong ((tan van) OR (((tran van) OR (luan van)))) ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu sach - nhanh thang van nang cong ((tan van) or (((tran van) OR (luan van)))) ban".
• Adding a wildcard symbol may retrieve word variants: theo tieu sach - nhanh thang van nang cong ((tan van) or (((tran van) OR (luan van)))) ban*.