Perhaps you should try some spelling variations:
thien van » thi van
lam duoc » nam duoc, luat duoc, lam thuoc
lang van » dang van, hoang van, giang van
trinh di » trinh do, trinh dien, trinh dinh
tang van » dang van, hoang van, trong van
va trinh » van trinh, va tinh, lap trinh
sach tay » xach tay, sach hay, sach nay
tu sach » thu sach, su sach, te sach
lam xuc » cam xuc
cua tre » cua te, cuu tre, cua triet
di cua » dai cua, doi cua, de cua

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 tay ((lang van) OR (tang van)) hoi. thien van ((lam xuc) or (lam duoc)) va trinh di cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach tay ((lang van) OR (tang van)) hoi. thien van ((lam xuc) OR (lam duoc)) va trinh di cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach tay ((lang van) OR (tang van)) hoi. thien van ((lam xuc) or (lam duoc)) va trinh di cua tre".
• Adding a wildcard symbol may retrieve word variants: tu sach tay ((lang van) OR (tang van)) hoi. thien van ((lam xuc) or (lam duoc)) va trinh di cua tre*.