Perhaps you should try some spelling variations:
thanh vai » thanh hai, thanh van, thanh tai
nang caoi » nang cai, nang noi, nang co
hieu van » hieu va, thien van, lieu va
va thanh » gia thanh, ban thanh, va tinh
lam duoc » nam duoc, luat duoc, lam thuoc
vai cua » dai cua, hai cua, lai cua
duoc va » nuoc va, duc va, duoc ma
van lam » van nam
sac ky » cac ky, sai ky
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: tu ((sach y) or (sac ky)) ((nang caoi) or (nang cao)) hoi. hieu van lam duoc va thanh vai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach y) OR (sac ky)) ((nang caoi) OR (nang cao)) hoi. hieu van lam duoc va thanh vai cua te.
• Adding a wildcard symbol may retrieve word variants: tu ((sach y) or (sac ky)) ((nang caoi) or (nang cao)) hoi. hieu van lam duoc va thanh vai cua te*.