Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
su sach » so sach
ky lang » ky nang, ky dang, ky tang
lang ha » long ha
qua cac » cua cac
thuc va » thuc vat, thuc dan, thuc day
vu sach » vu bach, vu khach
ha hoi » hoa hoi, ha noi, xa hoi
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: ((vu sach) or (su sach)) ky lang ha hoi. hieu qua cac ((thuc va) or (tuc xa)) hanh vi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((vu sach) OR (su sach)) ky lang ha hoi. hieu qua cac ((thuc va) OR (tuc xa)) hanh vi cua triet.
• Adding a wildcard symbol may retrieve word variants: ((vu sach) or (su sach)) ky lang ha hoi. hieu qua cac ((thuc va) or (tuc xa)) hanh vi cua triet*.