Perhaps you should try some spelling variations:
thanh lay » thanh lap, thanh tay, thanh lam
ban thanh » ban hanh, ban hang
cua triet » cua viet, su triet
hieu van » hieu va, thien van, lieu va
va triet » va thiet, va trien, ve triet
bach ty » sach ty, xach tay, bach thu
ty nang » ky nang, ty xang, ty hang
van cam » van nam, van lam, van cau
cam tuc » cam xuc, cam tu, nam thuc
tuc ban » thuc ban, truc ban, tu ban
cua tre » cua te, cuu tre, dua tren

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu bach ty nang x ho. hieu van cam tuc ban thanh lay ((cua tre) or (((cua triet) or (va triet))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu bach ty nang x ho. hieu van cam tuc ban thanh lay ((cua tre) OR (((cua triet) OR (va triet)))).
• Adding a wildcard symbol may retrieve word variants: vu bach ty nang x ho. hieu van cam tuc ban thanh lay ((cua tre) or (((cua triet) or (va triet))))*.