Perhaps you should try some spelling variations:
thanh tai » thanh hai, thanh toan, doanh tai
thanh van » thanh san, thanh toan, thanh phan
nang mai » nang ma, nang tai, lang mai
mai khoi » mai khoa, tai khoa, cac khoi
hieu van » hieu va, thien van, lieu va
van lam » van nam
lam xuc » cam xuc, lam duoc
cuu tre » cua tre, cau tren, cau treo
xuc va » duc va, tuc va, luc va
sac ky » cac ky, sai ky

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 mai khoi. hieu van lam xuc va ((thanh van) or (thanh tai)) cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach y) OR (sac ky)) nang mai khoi. hieu van lam xuc va ((thanh van) OR (thanh tai)) cuu tre.
• Adding a wildcard symbol may retrieve word variants: tu ((sach y) or (sac ky)) nang mai khoi. hieu van lam xuc va ((thanh van) or (thanh tai)) cuu tre*.