Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
cham duc » pham duc, cham soc, pham duy
tuan hoi » tan hoi, quang hoi, tuan hoan
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
va tuan » van tuan, va quan, va toan
cua tre » cua te, cuu tre, dua tren
su cac » tu cac, su cao, su can

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

• Performing a fuzzy search may retrieve terms with similar spellings: su cac ky lang xa hoi. hieu ve cham duc va tuan hoi ((cua tre) or (cua triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su cac ky lang xa hoi. hieu ve cham duc va tuan hoi ((cua tre) OR (cua triet)).
• Adding a wildcard symbol may retrieve word variants: su cac ky lang xa hoi. hieu ve cham duc va tuan hoi ((cua tre) or (cua triet))*.