Perhaps you should try some spelling variations:
tuan hoang » quan hoang, tran hoang, xuan hoang
hoang nham » hoang hai
doanh van » doan van, doanh va, doanh ban
sach tuan » sach luan, mach tuan, sach quan
danh vai » danh sai, danh va, dang van
nham hoi » nam hoi, cham hoi, nham hoan
te sach » toc sach
cua te » cua tu
va dao » ca dao
ve cai » va cai, ve cac, ve tai

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach tuan hoang nham hoi. hieu ((ve cai) or (va dao)) duc va ((danh vai) OR (doanh van)) cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach tuan hoang nham hoi. hieu ((ve cai) OR (va dao)) duc va ((danh vai) OR (doanh van)) cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach tuan hoang nham hoi. hieu ((ve cai) or (va dao)) duc va ((danh vai) OR (doanh van)) cua te".
• Adding a wildcard symbol may retrieve word variants: te sach tuan hoang nham hoi. hieu ((ve cai) or (va dao)) duc va ((danh vai) OR (doanh van)) cua te*.