Perhaps you should try some spelling variations:
cach thuc » anh thuc, cac thu
dinh tri » dinh thi, chinh tri
lam duoc » nam duoc, luat duoc, lam thuoc
van lam » van nam
tri duc » tri du, tri dac, trinh duc
ma dinh » mai dinh, va dinh, ba dinh
duoc ma » duoc lam
thi van » thi lan, thi hanh, thi nang
sach tu » sach thu, sach ty, sach uu
lang xa » lang ha, dang xay, lang van
duc tre » duoc tren, duc tien

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu ((sach tu) or (((cach tu) or (cach thuc)))) lang xa hoi. thi van lam duoc ma dinh tri duc tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu ((sach tu) OR (((cach tu) OR (cach thuc)))) lang xa hoi. thi van lam duoc ma dinh tri duc tre.
• Adding a wildcard symbol may retrieve word variants: thu ((sach tu) or (((cach tu) or (cach thuc)))) lang xa hoi. thi van lam duoc ma dinh tri duc tre*.