Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
tinh vai » tinh va, tinh hai, tinh bai
lang van » dang van, tang van, hoang van
sach tay » xach tay, sach hay, sach nay
va tinh » may tinh
tu sach » thu sach, su sach, te sach
van dat » van dao, van dau, dan dat
lang xa » lang ha, dang xay
nuoc » quoc, duoc, ngoc

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

• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach tay ((lang xa) OR (lang van)) hoi. hieu van dat nuoc va tinh vai ((cua chu) OR (sua chua))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach tay ((lang xa) OR (lang van)) hoi. hieu van dat nuoc va tinh vai ((cua chu) or (sua chua))~".
• Adding a wildcard symbol may retrieve word variants: tu sach tay ((lang xa) OR (lang van)) hoi. hieu van dat nuoc va tinh vai ((cua chu) or (sua chua))*.