Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
ban thanh » ban hanh, ban hang
qua cham » qua hai, qua cac, va cham
hoa hoi » khoa hoi, hoa hoc, hoa doi
sach ky » sac ky, sach y, sach ty
ky lang » ky nang, ky dang, ky tang
va hanh » van hanh, va thanh, va danh
te sach » toc sach
ha hoi » ha noi, xa hoi, va 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: te sach ky lang ((ha hoi) OR (hoa hoi)). hieu qua cham soc ((ban thanh) or (va hanh)) vi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky lang ((ha hoi) OR (hoa hoi)). hieu qua cham soc ((ban thanh) OR (va hanh)) vi cua triet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky lang ((ha hoi) OR (hoa hoi)). hieu qua cham soc ((ban thanh) or (va hanh)) vi cua triet*".