Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
hieu van » hieu va, thien van, lieu va
va thanh » gia thanh, ban thanh, va tinh
thanh vi » hanh vi, thanh va, thanh ve
thu san » thuy san, thu ban, phu san
nang ma » tang ma, sang ma, nang cao
van lam » van nam
lam duc » lam duoc, pham duc, nam duoc
tu san » tu ban, tu can, vu san
ma hoi » mai hoi, xa hoi, ma hoa
vi cua » vai cua, di cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu san) OR (thu san)) ky nang ma hoi. hieu van lam duc va thanh vi cua triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu san) OR (thu san)) ky nang ma hoi. hieu van lam duc va thanh vi cua triet".
• Adding a wildcard symbol may retrieve word variants: ((tu san) OR (thu san)) ky nang ma hoi. hieu van lam duc va thanh vi cua triet*.