Perhaps you should try some spelling variations:
ban hanh » ban hang
chat xuc » chat huu, cam xuc, chao xu
mai khoi » mai khoa, tai khoa, cac khoi
chat duc » chat doc, chet duoc, pham duc
ky dang » ky nang, ky danh
hieu va » lieu va, hieu qua
mai hoi » dai hoi, lai hoi, mai doi
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 cac ky dang ((mai hoi) or (mai khoi)). hieu va ((chat duc) OR (chat xuc)) ban hanh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cac ky dang ((mai hoi) OR (mai khoi)). hieu va ((chat duc) OR (chat xuc)) ban hanh vi cua te*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu cac ky dang ((mai hoi) or (mai khoi)). hieu va ((chat duc) OR (chat xuc)) ban hanh vi cua te*".