Perhaps you should try some spelling variations:
danh chung » doanh chung, dinh chung, lanh chung
thi hanh » thi thanh
tu sach » thu sach, su sach, te sach
sach ty » sach y, sach tu, sach thu
mang xa » lang xa, mang may, dang xay
thi van » thi lan, thi nang
va danh » va dinh, va dan, va hanh
cu tre » cu tren, cua tre, cuu tre
nuoc » quoc, duoc, ngoc

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ty ((mang xa) or (nang x)) hoi. ((thi van) OR (thi hanh)) dat nuoc va danh chung cu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ty ((mang xa) OR (nang x)) hoi. ((thi van) OR (thi hanh)) dat nuoc va danh chung cu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ty ((mang xa) or (nang x)) hoi. ((thi van) OR (thi hanh)) dat nuoc va danh chung cu tre".
• Adding a wildcard symbol may retrieve word variants: tu sach ty ((mang xa) or (nang x)) hoi. ((thi van) OR (thi hanh)) dat nuoc va danh chung cu tre*.