Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thanh van » thanh san, thanh toan, thanh phan
van thanh » ban thanh, van tuan
thien van » thi van
lam duc » lam duoc, pham duc, nam duoc
cua tre » cua te, cuu tre, dua tren
duc van » duc va, duc tan, duc manh
sach ky » sac ky, sach y, sach kem
lang xa » lang ha, dang xay, lang van
sach ty » sach y, sach tu, sach thu
van lam » van nam

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

• Performing a fuzzy search may retrieve terms with similar spellings: su ((sach ky) OR (sach ty)) lang xa hoi. thien van lam duc van thanh van ((cua tre) or (cua triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su ((sach ky) OR (sach ty)) lang xa hoi. thien van lam duc van thanh van ((cua tre) OR (cua triet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "su ((sach ky) OR (sach ty)) lang xa hoi. thien van lam duc van thanh van ((cua tre) or (cua triet))".
• Adding a wildcard symbol may retrieve word variants: su ((sach ky) OR (sach ty)) lang xa hoi. thien van lam duc van thanh van ((cua tre) or (cua triet))*.