Perhaps you should try some spelling variations:
lam duoc » nam duoc, luat duoc, lam thuoc
tuan van » luan van, tran van, tan van
van tuan » van quan, van ban, anh tuan
dat duoc » dat nuoc, da duoc, luat duoc
ky lang » ky nang, ky dang, ky tang
lang ha » long ha
cua tre » cuu tre, cua triet, dua tren
hieu va » lieu va, hieu qua
te sac » te sach, te cac, te san
sac ky » cac ky, sai ky
ha hoi » hoa hoi, ha noi, xa hoi
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sac ky lang ha hoi. hieu va ((lam duoc) or (dat duoc)) van tuan van ((cua tre) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sac ky lang ha hoi. hieu va ((lam duoc) OR (dat duoc)) van tuan van ((cua tre) OR (cua te)).
• Adding a wildcard symbol may retrieve word variants: te sac ky lang ha hoi. hieu va ((lam duoc) or (dat duoc)) van tuan van ((cua tre) or (cua te))*.