Perhaps you should try some spelling variations:
cau triet » cau trieu, su triet, cua triet
van thanh » ban thanh, van tuan
van hanh » ban hanh, van anh, van ban
chat xuc » chat huu, cam xuc, chao xu
sach ky » sac ky, sach ty, sach kem
hieu ve » hieu va, hieu van
nang ma » tang ma, sang ma, nang cao
ve chat » va chat, van chat
ma hoi » mai hoi, xa hoi, ma hoa
vi cau » va cau, ve cau, di cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu ((sach ky) OR (sach y)) nang ma hoi. hieu ve chat xuc ((van hanh) or (van thanh)) vi cau triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ky) OR (sach y)) nang ma hoi. hieu ve chat xuc ((van hanh) OR (van thanh)) vi cau triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach ky) OR (sach y)) nang ma hoi. hieu ve chat xuc ((van hanh) or (van thanh)) vi cau triet".
• Adding a wildcard symbol may retrieve word variants: tu ((sach ky) OR (sach y)) nang ma hoi. hieu ve chat xuc ((van hanh) or (van thanh)) vi cau triet*.