Perhaps you should try some spelling variations:
thuoc sach » hoc sach, nuoc sach, thuat sach
ve triet » va trien, su triet
hanh doi » thanh doi, hanh noi, hang doi
va hanh » van hanh, va thanh, va danh
cam duc » cao duc, pham duc, nam duoc
tu cach » tu cac
sang ma » tang ma, nang ma, sang tao
ty sang » ty xang, ty hang, duy sang
doi ve » moi ve, doi va, noi ve

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 (thuoc sach)) ty sang ma hoa. hieu qua ((cam duc) OR (cam xuc)) va hanh doi ve triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu cach) OR (thuoc sach)) ty sang ma hoa. hieu qua ((cam duc) OR (cam xuc)) va hanh doi ve triet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu cach) or (thuoc sach)) ty sang ma hoa. hieu qua ((cam duc) OR (cam xuc)) va hanh doi ve triet*".