Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
tan thanh » tran thanh, tang thanh, toan thanh
cham duc » pham duc, cham soc, pham duy
thanh vi » hanh vi, thanh va, thanh ve
hieu ve » hieu va, hieu van
ky tang » ky nang, ky dang, kho tang
tang ma » mang may, tang van
ve cham » va cham, ve chat, vu cham
tu can » tu cac, thu canh
ma hoi » mai hoi, xa hoi, ma hoa
tu ban » thu ban, te ban
cua tu » cua tuc, cua su, cua cu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu can) OR (tu ban)) ky tang ma hoi. hieu ve cham duc tan thanh vi ((cua triet) or (cua tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu can) OR (tu ban)) ky tang ma hoi. hieu ve cham duc tan thanh vi ((cua triet) OR (cua tu)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu can) OR (tu ban)) ky tang ma hoi. hieu ve cham duc tan thanh vi ((cua triet) or (cua tu))".
• Adding a wildcard symbol may retrieve word variants: ((tu can) OR (tu ban)) ky tang ma hoi. hieu ve cham duc tan thanh vi ((cua triet) or (cua tu))*.