Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thuc dan » thuc hanh, hoc dan
hanh vai » hanh vi, hanh va, hanh tai
vu sach » vu bach, su sach, vu khach
ky lang » ky nang, ky dang, tay lang
ky tang » ky nang, ky dang, kho tang
van hoi » van hoa, van hoc, van hoe
vai cua » dai cua, hai cua, lai cua
va am » va lam, va cam

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 ((ky lang) OR (ky tang)) van hoi. lieu va am ((thuc dan) or (thuc vat)) hanh vai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach ((ky lang) OR (ky tang)) van hoi. lieu va am ((thuc dan) OR (thuc vat)) hanh vai cua triet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sach ((ky lang) OR (ky tang)) van hoi. lieu va am ((thuc dan) or (thuc vat)) hanh vai cua triet*".