Perhaps you should try some spelling variations:
thanh dan » thanh san, thanh van, thanh dat
cua triet » cua viet, su triet, va triet
va thanh » gia thanh, ban thanh, va tinh
ky tang » ky nang, ky dang, kho tang
hieu va » lieu va, hieu qua
cac duc » cac du, cao duc, cac dac
dan cua » dan ca, ban cua, dai cua
su sai » su tai, su hai, su dai
sai ky » sac ky
ma hoi » mai hoi, xa hoi, me hoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sai ky tang ((ma hoi) or (ma hoa)). hieu va cac duc va thanh dan cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sai ky tang ((ma hoi) OR (ma hoa)). hieu va cac duc va thanh dan cua triet.
• Adding a wildcard symbol may retrieve word variants: su sai ky tang ((ma hoi) or (ma hoa)). hieu va cac duc va thanh dan cua triet*.