Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thanh vi » hanh vi, thanh va, thanh ve
thu sach » tu sach, thuat sach, thuoc sach
va thanh » gia thanh, ban thanh, va tinh
nang mai » nang ma, nang tai, lang mai
ve chat » va chat, van chat
tu cach » tu cac
mai hoi » mai khoi, dai hoi, lai hoi
ve cham » va cham, vu cham, ve chim
tuc va » thuc va, truc va, tuc xa
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 cach) or (thu sach)) ky nang mai hoi. hieu ((ve cham) or (ve chat)) tuc va thanh vi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu cach) OR (thu sach)) ky nang mai hoi. hieu ((ve cham) OR (ve chat)) tuc va thanh vi cua triet.
• Adding a wildcard symbol may retrieve word variants: ((tu cach) or (thu sach)) ky nang mai hoi. hieu ((ve cham) or (ve chat)) tuc va thanh vi cua triet*.