Perhaps you should try some spelling variations:
cua viet » ca viet, hoa viet, cua vat
hanh vai » hanh vi, hanh va, hanh tai
tay lang » tai lang, tay tang, tay quang
vai cua » dai cua, hai cua, lai cua
va hanh » van hanh, va thanh, va danh
cach tu » cach thuc
ve cach » va cach, ve cac, ve canh
hieu ve » hieu va, hieu van
su sach » vu sach
so sach » so sanh, bo sach, co sach
y lang » o lang, _ lang, yen lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((su sach) or (so sach)) ((y lang) OR (tay lang)) xa hoi. hieu ve cach tu va hanh vai cua viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (so sach)) ((y lang) OR (tay lang)) xa hoi. hieu ve cach tu va hanh vai cua viet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su sach) or (so sach)) ((y lang) OR (tay lang)) xa hoi. hieu ve cach tu va hanh vai cua viet*".