Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
tham doc » than doc, tham do, tham nuoc
va thanh » gia thanh, ban thanh, va tinh
thanh vi » hanh vi, thanh va, thanh ve
dua tren » dung tren
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
hieu va » lieu va, hieu qua
va tham » van tham, va cham, va thuat
te sac » te sach, te cac, te san
sac ky » cac ky, sai ky
doc va » duoc va, hoc va, duc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sac ky lang xa hoi. hieu va tham doc va thanh vi ((dua tren) or (cua triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sac ky lang xa hoi. hieu va tham doc va thanh vi ((dua tren) OR (cua triet)).
• Adding a wildcard symbol may retrieve word variants: te sac ky lang xa hoi. hieu va tham doc va thanh vi ((dua tren) or (cua triet))*.