Perhaps you should try some spelling variations:
mai khoi » mai khoa, tai khoa, cac khoi
chat xuc » chat huu, cam xuc, chao xu
ban hanh » ban hang
ky tang » ky dang, kho tang, ky trong
hieu ve » hieu va, hieu van
ve chat » va chat, van chat
xuc ban » duc ban, cuc ban, quoc ban
tu sac » tu sach, tu san, tu bac
vi cua » vai cua, di cua
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu sac) or (tu cac)) ((ky tang) OR (ky nang)) mai khoi. hieu ve chat xuc ban hanh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sac) OR (tu cac)) ((ky tang) OR (ky nang)) mai khoi. hieu ve chat xuc ban hanh vi cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sac) or (tu cac)) ((ky tang) OR (ky nang)) mai khoi. hieu ve chat xuc ban hanh vi cua te".
• Adding a wildcard symbol may retrieve word variants: ((tu sac) or (tu cac)) ((ky tang) OR (ky nang)) mai khoi. hieu ve chat xuc ban hanh vi cua te*.